Select the three hypotheses.


Grass prevents erosion when planted on a hillside.

Eating sweets may affect weight gain in children.

Brand X battery maintains a charge longer than brand Y.

Hummingbirds are aggressive animals.

A child will catch a cold if she plays in the rain.

If a plant receives fertilizer, it will grow at a faster rate.

Answers

Answer 1

Answer:

Eating sweets may affect weight gain in children.

A child will catch a cold if she plays in the rain.

If a plant receives fertilizer, it will grow at a faster rate.

Hypothesis is an educated guess. It is necessary to have a Hypothesis before performing an experiment. There are also other steps or requirements you need before conducting experiments. A Hypothesis usually has what is known as an if-then statement. Example: If do da do, then this will occur. "IF" is the first part, "THEN" is the second part of the statement.


Related Questions

Describe the carbon cycle

Answers

Answer:

The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. ... Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

Explanation:

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The stomach is the only part of the alimentary canal with three muscular layers. Why does the stomach need three layers of muscle

Answers

The stomach is the only part of the alimentary canal with three muscular layers. The stomach need three layers of muscle for digestion through peristalsis.

The stomach is a part of the body that includes the entire abdominal cavity which consists of the digestive tract and accessory organs, the urinary system, and the spleen. There are three layers of muscles in the stomach, namely the outer longitudinal muscles, the middle circular muscles, and the inner oblique muscles which help in peristaltic events.

Peristalsis is a movement in the form of muscle contractions in the digestive tract that pushes and stirs food so that it is digested. Through peristalsis the stomach will break down food and absorb nutrients during the digestive process.

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How is most ATP formed during respiration?

Answers

Most of the ATP produced by aerobic cellular respiration is made by oxidative phosphorylation

Oxidative phosphorylation is responsible for the majority of the ATP generated by aerobic cellular respiration. Protons are pumped through a membrane to produce a chemiosmotic potential using the energy released. Then, ATP synthase is engaged by this potential to synthesis ATP from ADP and a phosphate group. During aerobic respiration, glucose and oxygen combine to produce ATP, which the cell can utilise. As products, water and carbon dioxide are produced. In the general equation for aerobic cellular respiration, glucose and oxygen combine to create ATP. Oxidative phosphorylation is the biochemical cycle that generates a most net ATP per molecule of glucose. The majority of ATP synthesis takes place during cellular respiration in the mitochondrial matrix, producing about 32 ATP molecules for every glucose molecule.

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Juan is studying fossils. His teacher wrote the following statements on the board and asked the students to put them in the correct order to describe how fossils are formed.
1. Minerals seep into the organism’s body and replace it with stone.
2. The organism completely decomposes, leaving behind an imprint.
3. An organism dies and its body is covered with a layer of sediment.
4. Time passes, and sediment layers continue to build up on the organism.Which is the correct order of events for fossil formation?

Answers

Fossilization is the process of formation of fossils. The correct order of the events for fossil formation is: An organism dies and its body is covered with a layer of sediment. Time passes, and sediment layers continue to build up on the organism. Minerals seep into the organism's body and replace it with the stone. The organism completely decomposes, leaving behind an imprint.

What is fossilization?

Fossilization is the process which is defined as the physical, chemical, and biological processes that leads to the preservation of plant and animal remains over a period of long time.

Fossils formation occurs in the five ways including: preservation of original remains, permineralization, molds and casts, replacement, and compression of the remains.

The correct order of the events for fossil formation include:

1. An organism dies and its body is covered with a layer of sediment.

2. Time passes, and sediment layers continue to build up on the organism.

3. Minerals seep into the organism's body and replace it with the stone.

4. The organism completely decomposes, leaving behind an imprint.

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An ecosystem that offers many different niches
A. cannot support very many species at once.
B. can support many different species.
C. usually only supports insect life.
D. supports animal life but not plant life.
please help

Answers

Answer:

B. Can support many different species.

Explanation:

A niche is a position or role that a species plays in its ecological community or ecosystem.

If an ecosystem offers many different niches, this means that many different species can have a role in an ecosystem.

An ecosystem with many different niches will have a greater biodiversity and will also be more stable.

So, the correct answer is B. Can support many different species.

Double-stranded viral DNA is incorporated into a host cell as a _____.

Answers

Double-stranded viral DNA is incorporated into a host cell as a form of genetic material.

The viral DNA is packaged within the viral capsid and is released into the cells of the host organism when the virus enters the cell. Once inside the cell, the viral DNA is uncoated and then incorporated into the host cell's own genetic material. This process, known as “genetic transformation”, is how the virus replicates its genetic material and spreads to other cells.

The incorporation of viral DNA into a host cell is an essential part of how viruses spread and cause disease. The viral DNA is able to take control of the host cell's normal cellular functions and cause it to produce more viral particles.

This process, termed “lytic cycle”, is necessary for the virus to spread and cause infection. In some cases, the viral DNA also integrates into the host cell's genome, allowing the viral genetic material to be passed down through generations of cells. This process, referred to as “lysogenic cycle”, can lead to persistent infections and chronic diseases.

In order to successfully incorporate its DNA into the host cell, the virus must first attach to the host cell's membrane. This is done by the virus making use of specific proteins known as “receptors” that are found on the cell's surface. When the virus attaches to the receptor, it is allowed to enter the cell. Once inside the cell, the viral DNA is then uncoated and incorporated into the host cell's own genetic material.

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Which of the following biomolecules does not build polymers from monomers?

Carbohydrates
Proteins
Lipids
Nucleic Acids
Other:

Answers

Answer:

Nucleic Acids

Explanation:

What does water vapor rising include?

Answers

Water vapor rising refers to the process by which water molecules in the air become more energetic and move more freely, causing them to rise higher in the atmosphere. This can occur as a result of several different factors, including:

1. Temperature: Water vapor will tend to rise in the atmosphere if it is warmer than the surrounding air. As the water molecules absorb heat energy, they become more energetic and are able to move more freely, causing them to rise.

2. Humidity: Water vapor will also tend to rise in the atmosphere if the air is already saturated with moisture. When the air becomes saturated, any additional water vapor that is added to it will be less likely to stay in the air and will instead tend to condense and fall to the ground.

3. Pressure: Water vapor will also tend to rise in the atmosphere if the air pressure is lower at higher altitudes. As the water molecules rise and the air pressure decreases, they become more energetic and are able to move more freely, causing them to rise further.

Overall, water vapor rising is an important process in the Earth's atmosphere that helps to distribute heat and moisture around the planet and to regulate the Earth's climate.

symbiosis and species interactions keystone webquest answer key

Answers

These exchanges are frequently brief. However, there are many instances where two species coexist peacefully for extended periods of time.

What is keystone species?

The most numerous species in a community are known as dominant species, and they have a significant impact on the abundance and distribution of other species.

Keystone species, on the other hand, have an impact on communities that greatly outweigh their abundance.

These discussions are typically can be done in many way. Two species can, however, frequently cohabit happily for long periods of time.

Such relationships are known as symbioses ("living together"). Symbiotic relationships can be classified as parasitic, commensal, or mutualistic.

Thus, this can be symbiosis and species interactions.

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Innovative ideas may someday lead to a new way of addressing significant marine issues. Which of the following should be considered when evaluating the costs and benefits of a new innovative process?
Cost to build
Effort and time to implement
Maintenance and recurring costs
A. I and II only
B. I and III only
C. II and III only
D. I, II, and III

Which of the following factors would best contribute to a measurement of environmental quality?
A. Average temperature
B. Water clarity
C. Salinity levels
D. Average speed of sound

Two new products are competing for grant money, with the goal of cleaning up the marine environment. Each product removes plastic from the ocean.
Product 1 can be used in the open ocean and requires monitoring once every three months to retrieve collected plastic.
Product 2 is designed to be used in harbors and marinas and requires monitoring once per week to retrieve collected plastic.
If all other costs and benefits are equal, which of these products would you recommend for the grant?
A. Product 1 because it requires less monitoring, reducing the overall cost
B. Product 1 because it is presumed to be more effective at removing plastic
C. Product 2 because it would provide more job opportunities for local people
D. Product 2 because it would probably last longer in marinas than in the open ocean

Which of the following best describes the relationship between human population size and resource use?
A. Countries with high populations are likely to use more resources.
B. Countries with high populations are likely to use fewer resources.
C. Countries with low populations are likely to use more resources.
D. There is no correlation between population size and resource use.

Answers

Answer: See explanation

Explanation:

1. The factors that should be considered when evaluating the costs and benefits of a new innovative process include the cost to build, the effort and time to implement and the maintenance and recurring costs. Therefore, the correct options is D. I, II and III.

2. The factors that will contribute to a measurement of environmental quality is the Salinity levels. Therefore, the correct option is C.

3. If all the other costs and benefits are equal, then the product that will be recommended will be option A "Product 1 because it requires less monitoring, reducing the overall cost"

Since Product 1 requires monitoring once in three months while Product 2 requires monitoring once every week, then we can deduce that product 2 will increase the overall cost.

4. The option that describes the relationship between human population size and resource use is option A "Countries with high populations are likely to use more resources".

When there's an increase in population, the people will make use of more resources when compared to an area with lesser population. Therefore, the correct option is A

so just how did pattern on a giraffe's body increases his chances of survival​

Answers

Answer:

survival of young giraffes is related to spot pattern, which might help provide camouflage from predators. ... This study revealed that newborn giraffes with larger spots and irregularly-shaped spots had increased survival during the first few months of life.

Explanation:

Help please?????!!!!!!??!!!

Answers

Answer:

Prophase, Prometaphase, and Metaphase

Compare and contrast the properties of oceanic crust and continental crust

Answers

Oceanic crust is generally younger than continental crust, being less than 200 million years old. It is made of basaltic rock, which is denser and more mafic than the granitic rock found in continental crust. Oceanic crust is thinner and more dense than continental crust, with average thickness of about 6 kilometers compared to about 35 kilometers for continental crust. Oceanic crust is also less buoyant and more prone to subduction.

Continental crust is generally thicker and less dense than oceanic crust, and is composed mainly of granitic rock. It is much older than oceanic crust, having formed over billions of years, and is also more buoyant due to its lower density. Continental crust is less prone to subduction and therefore is more likely to form mountains and landforms. It is also much thicker, with an average thickness of about 35 kilometers.

A direct smear from a nasopharyngeal swab stained with Loeffler methylene blue stain showed various letter shapes and deep blue, metachromatic granules. The most likely identification is:
A. Corynebacterium spp.
B. Nocardia spp.
C. Listeria spp.
D. Gardnerella spp.

Answers

The identification from a direct smear from a nasopharyngeal swab stained with Loeffler methylene blue stain showed various letter shapes and deep blue, metachromatic granules: Corynebacterium spp.

Thus, the correct answer is D.

Lаborаtory tests from direct exаminаtion of swаbs or blood smeаr of Corynebacterium spp. are

Swаbs should be tаken from involved аreа of nаsophаrynx аnd, if present, underneаth membrаnesGrаm stаining will show grаm-positive rods with pleomorphic morphology. Mаny species аre club shаped and mаy be аrrаnged in pаlisаdes or v-shаped аrrаngements.Neisser or Loeffler methylene blue stаining demonstrаtes metаchromаtic grаnules (limited sensitivity)

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el desarrollo de la ciencia, la técnica y la tecnología
tienen la misma motivación o cada una se basa
en razones distintas

Answers

Answer:

The development of science, technology and technology

have the same motivation or each is based

in different reasons

Explanation:

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Once organisms die, their organic remains are decomposed. If they are left under the earth with heat and pressure for millions of years they can become fossil fuels. What are three examples of these?

Answers

Answer:

Three examples of fossil fuels are:

1). Petroleum

2). Coal

3). Natural gas

Which feature of bacteria makes them useful in genetic engineering?
O Lack of a nucleus
O one large chromosome
O Replicating plasmids
O free-floating ribosomes

Answers

C. Replicating plasmids.

We can isolate a particular gene of interest and then use certain enzymes to introduce this gene into a bacterial plasmid (circular DNA within the bacteria) to create a recombinant plasmid. We can then grow a culture of bacteria from the bacteria containing the recombinant plasmid. The result will be a colony of bacteria which will express the gene that was introduced into the plasmid.

Reduction of fluid losses at the kidneys due to the retention of Na+ is the action of
A) antidiuretic hormone.
B) calcitonin.
C) aldosterone.
D) cortisone.
E) oxytocin.

Answers

Reduction of fluid losses at the kidneys due to the retention of Na+ is the action of a hormone called aldosterone. So option c is correct.

Aldosterone is a steroid hormone produced by the adrenal glands that plays a crucial role in regulating electrolyte balance in the body.Aldosterone works by stimulating the kidneys to reabsorb more sodium ions (Na+) and water, and to excrete more potassium ions (K+). This results in an increase in blood volume and blood pressure, as well as a decrease in urine output.

By retaining more sodium ions, aldosterone helps to maintain the body's fluid balance and prevent dehydration.Aldosterone secretion is regulated by the renin-angiotensin-aldosterone system (RAAS), which is a complex feedback mechanism that responds to changes in blood pressure and electrolyte levels. When blood pressure drops or when the body loses too much sodium, the kidneys secrete the enzyme renin, which converts angiotensinogen to angiotensin I. Angiotensin I is then converted to angiotensin II by the enzyme ACE, which stimulates the release of aldosterone.

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People who live in rural communities (country side) impact the ocean.
A
True
B
False

Answers

true, extreme weather events, sea level arise

After a cell was treated with a certain chemical, the ribosomes stopped functioning. Which cell activity was immediately affected by this change in ribosome function

Answers

The ribosomes ceased working when a cell was exposed to a certain substance. Protein synthesis is the first cell activity influenced by this alteration in ribosome function.

As a result, B is the right answer.

Cells are the fundamental structural components of all living things. Ribosomes are specialized structures found inside cells that manufacture proteins. A eukaryotic cell's protein production is comprised of two processes: transcription and translation.

The transcription process occurs in the nucleus, where information from a DNA strand is transcribed into a single-stranded messenger RNA (mRNA) molecule by the RNA polymerase enzyme.

During the termination of transcription, the completed mRNA strand detaches from DNA, exits the nucleus, and enters a cytoplasmic ribosome. Translation happens at the ribosome, where the genetic code in mRNA is read and protein is made.

Cells require these proteins to accomplish vital processes such as mending cellular damage, maintaining cellular structure, producing hormones, and dividing cells.

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Full Question ;

After a cell was treated with a certain chemical, the

ribosomes stopped functioning. Which cell activity was

immediately affected by this change in ribosome function?

A) intracellular transport

B) protein synthesis

C) aerobic respiration

D) excretion of metabolic wastes

In a certain specles, brown eyes are dominant to blue eyes. A male is heterozygous for the brown eye (B) gene and a female with blue eyes (b) have two children with brown eyes. What is the probability that their next child will have blue eyes?"​

Answers

The probability is 50%

Which statement best describes the distribution of
resources around the earth?


Please help me :(

Answers

Answer:

Resource distribution refers to the geographic occurrence of resources on earth. In other words, where resources are located. Any particular place may be rich in the resources people desire and poor in others. As a result, resources are distributed unevenly across the globe.

Explanation:

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Suggest how a platypus adapt to its habitat​

Answers

Explanation:

Platypus is well adapted for semi-aquatic lifestyle. Its streamline body and a broad, flat tail are covered with dense waterproof fur, which provides excellent thermal insulation. ... The Platypus uses its tail for storage of fat reserves and the strong claws on its feet for burrowing and moving on land.

I need help with this. The topic is renewable and non renewable resources

Answers

Plastic packaging has non-renewable resources, whereas paper packaging is renewable. The difference between renewable and non-renewable energy sources is that renewables use resources that are not depleted or regenerated in nature.

What do you understand by non-renewable resources?

Non-renewable sources are those that have a limited reserve on our planet and that do not regenerate - or that take thousands of years to do so. Oil is perhaps the best known example, are ores and natural gas.

The difference between renewable and non-renewable energy sources is that renewables use resources that are not depleted or regenerated in nature. Non-renewable energy sources, on the other hand, use resources that are depleted in nature and, therefore, can generate several problems for the environment.

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What is a vector?
A.) A quantity that has both mass and speed

B.) A quantity that has both size and direction

C.)A quantity that has both speed and direction HELP ASAP!

Answers

As I think Option C is the best one.

A scale drawing of a car is shown below. The numbers indicate the measurements of the actual size of the car.

In which of the following units are the measurements most likely expressed?
a. kilometers (km)
b. millimeters (mm)
c. milliliters (ml)
d. grams (9)

Answers

Answer:

scale 1:30 or 130, and the answer is kilometers A

Which of the following is an example of the cycling of matter?
A A sea star dries out when exposed to air and radiation from the sun
B Seaweed releases oxygen that a crab breathes in through its gi is.
C A wave crashes against rock on the shoreline,
D Amussel seals its shell from drying heat of the sun

Answers

Answer:

B is your answer byyyeeeee mark as brainliest

what is the basic unit of structure and function in a living thing called?

Answers

Answer:

cells

Explanation:

cells makeup every single living thing on Earth including us humans they are the main structure of every human thing on earth will every living thing on Earth including us humans

Please help me on this question.

Answers

Independent: The second group is not given the drug.

Dependent: Dr. Smith wants to examine weather a new drug increases the maze running performance of older rats.

Constants: Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze.

Recently, researchers from Stanford University have changed mouse skin cells into mouse nerve cells. This was accomplished by inserting genes that control the synthesis of certain proteins into the skin cells. This type of research is often successful in advancing knowledge regarding the functioning of human cells because:

Answers

In this examination, the compound courier would be the yeast-glucose arrangement. The yeast-glucose arrangement would have the option to change the pH of the fluid in the cup since it contains a substance that can do as such.

in the event that an end is legitimate, comparable examinations by different researchers ought to bring about a similar end. which proclamation best depicts a theory?

Homeostasis is a unique balance that is kept up within body tissues and organs. It is dynamic since it is continually acclimating to the progressions that the frameworks experience.

As the yeast benefits from sugar, it produces carbon dioxide. With no spot to go except for up, this gas gradually fills the inflatable. A very much-like cycle occurs as the bread rises. Carbon dioxide from yeast fills great many inflatable-like air pockets in the mixture.

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Find the measurement of the angle I dictated for each trapezoid. on a bag of potato chips indicates that one serving contains 250 Calories, with 150 Calories from fat. What percent of Calories comes from fat Its midnight and Im so confused someone please help or Im going to summer school lol Help PlSss theres people not helping I really need to bring my grades up there are 32 students who studied maths and 28 geography and 26 social science if there are total 40 students in school if they all studies one subject atleast then find maximum number of students who studied all subjects The value of z varies inversely with the value of w. The constant of variation is 2. Which are possible values for z3and w? Check all that apply.Oz=.z = 1+ w = 2/1/201O z = 2, w = 3O z=z = -1/w=2O z4,= 1/5, w = 2/1/201z = 1/2/3, w = 2/1/201Answer:A,C,D Read the excerpt below and answer the question.There was a moment, in time, and in this place, when my brother, or my mother, or my father, or my sister,had to convey to me, for example, the danger in which I was standing from the white man standing justbehind me, and to convey this with a speed, and in a language, that the white man could not possiblyunderstand, and that, indeed, he cannot understand, until today. He cannot afford to understand it. Thisunderstanding would reveal to him too much about himself, and smash that mirror before which he hasbeen frozen for so long.Select allThis excerpt from "If Black English Isn't A Language, Then Tell Me, What Is?" is significant becausethat apply.-Hughes imagines himself as a black slave.-Hughes uses Black English to emphasize his argument.-Hughes uses a historical example to explain the origins of language.-Hughes explains the significance that Black English holds for white people. James decided to do an experiment with a can of soda. He opened a 340 g can of soda and left it open for a day. The next day, hemeasured the soda can again and found it was 332 g. Which statement below best explains why the masses were different?A. The can was open and gases were released.B. The can was a unopen and gases were released.C. A mistake was made and the experiment should be conducted again because the Law of Conservation of Mass was violated.D. A mistake was made in measuring the mass of the can. What was rationed during ww2 and why? what is this I need the answer A ring stand is used to ________ devices during laboratory procedures. What can be known about Mendel's five part hypothesis it is an answer to a scientific? Jeff bought a 5-gallon bucket of paint. He used 1.25 gallons to paint his bedroom, then he used two-thirds of the remaining paint for his living room. How many gallons of paint did he use to paint his living room? answer the question in the photo 16.) true or false The absolute value of a number and the opposite of a numberwill always be different. PLEASE HELP ME ASAP I'M BEING TIMED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1Germany, France, Britain, Russia, Japan, and the United States between 1869 and 1914 using industrial technology to impose their will on the nonindustrial parts of the world is called what?A. New ImperialismB. ColonialismC. The Scramble for AfricaD. Nationalism True or False: The purpose of a marketing strategy is to maximize short-term profits. True false question. True False Someone please help me please dont answer if you dont know .. Find the mean and standard deviation for the set of data.{31,12,21,6,28,5,26,23,19}A. mean: 19; standard deviation: 8.87B. mean: 19; standard deviation: 9.24C. mean: 20; standard deviation: 8.87D. mean: 20; standard deviation: 9.24 Conjugate the verb in parentheses correctly:You want to tell your best friend, "You take good notes."T _________ (tomar) muy buenas notas.