If Earth was not tilted, there would be no
A. seasonal cycle
B. Hadley cell
C. diurnal cycle
D. albedo
The main cause of the seasons is this. The Northern Hemisphere has warm weather when the Earth is tilted toward the sun, and cool weather when the Earth is tilted away from the sun. Thus, option A is correct.
What is Earth seasonal cycle?The Earth's axis is currently inclined 23.5 degrees. The Earth rotates on its axis at a fixed tilt as it orbits the Sun. The Northern and Southern Hemispheres are tilted away from the Sun.
At different times of the year as a result of this angle. A hemisphere experiences winter and longer nights as it is tilted away from the Sun.
Therefore, there would be no seasonal cycle If Earth was not tilted.
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Nitrogen fixation by bacteria is one of the
ways that atmospheric nitrogen is converted
to a form that plants can use to make
biomolecules.
In the nitrogen cycle, which
process restores nitrogen gas back to the
atmosphere?
Answer: Denitrification
Explanation: Caused by bacteria when they use nitrate instead of oxygen for respiration
The classification system for organisms has changed from seven levels to eight. This happened because
scientific consensus changed as scientists learned more about organisms.
scientists did not test the seven-level system often enough to lead to consensus.
the eight-level system of classification is an emerging idea that needs more testing.
the seven-level system of classification was not supported by scientists.
There are now eight levels in the organism classification scheme as opposed to the previous seven. The reason for this is because: as scientists learnt more about organisms, the scientific consensus shifted.
The seven-level scheme was not put to the test by scientists frequently enough to produce agreement.
The eight-level classification system is a new concept that requires more research. Scientists did not agree with the classification scheme of seven levels.
The seven categorization systems were organised by Carolus Linnaeus. The Linnaean classification system uses a hierarchy of groupings called taxa. The eight Levels of the Classification System were proposed by Thomas Cavalier-Smith.
The Classification System's Levels:
The eight tiers of the organism classification hierarchy are as follows:
domain, kingdom, phylum, class, order, Family, genus, species
The classification criteria:
The following standards apply to the levels of the organism categorization system:
cell structure complexity, body arrangement, manner of nourishment, way of life, and phylogenetic relationship.
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A. Scientific consensus changed as scientists learned more about organisms.
Place these major moments from civil rights history in order from earliest to most recent.
Start by clicking the first item in the sequence or dragging it here
Drag the items below into the box above in the correct order, starting with the first item in the sequence.
Plessy v. Ferguson is decided by the Supreme Court.
The Fourteenth Amendment is ratified.
The Voting Rights Act is passed.
Dred Scott v. Sanford is decided.
Brown v. Board of Education is decided by the Supreme Court.
The major moments from civil rights history in order from earliest to most recent are as follows,
I. Scott vs Stanford is decided.
ii. The Fourteenth Amendment is ratified.
iii. Plessy vs Ferguson is decided by the Supreme Court.
iv. Brown vs Board of Education is decided by the Supreme Court.
v. The Voting Rights Act is passed.
In 1857, Scott vs Stanford is decided. In this ruling, the U.S. Supreme Court stated that enslaved people were not citizens of the United States and therefore, could not expect any protection from the federal government or the courts.
In 1868 the 14th Amendment to the U.S. Constitution is passed, guaranteeing due process and equal protection rights to all citizens.
In 1896, the U.S. Supreme Court "separate but equal" decision in Plessy v. Ferguson approved laws requiring racial segregation, as long as those laws did not allow for separate accommodations and facilities for blacks that were inferior to those for whites.
In 1954, the U.S. Supreme Court decision in Brown v. Board of Education of Topeka, Kansas ended legal racial segregation in public schools.
In 1965, the Voting Rights Act prohibits the denial or restriction of the right to vote, and forbids discriminatory voting practices nationwide.
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2. This membrane protein changes its shape when certain molecules are bound to it.
In a data set, thAre claims about the effects of meditation most likely scientific or pseudoscientific?
scientific, because people have been claiming for thousands of years that meditation helps them
scientific, because observations of brain growth and chemicals are made carefully and repeatedly
pseudoscientific, because practices that are related to religion are based on beliefs and are subjective
pseudoscientific, because people have made claims about it but scientific observations have not been madee number that appears the most is called the
.
In a data set, the claims about the effects of meditation are most likely scientific because observations of brain growth and chemicals are made carefully and repeatedly.
Option B is correct.
What is pseudoscience?Pseudoscience can be referred to a term consisting of statements, beliefs, or practices that claim to be both scientific and factual but are incompatible with the scientific method.
In a data set, the claims about the effects of meditation are most likely scientific because observations of brain growth and chemicals are made carefully and repeatedly.
scientists have made claims about the effects of meditation and what it does to the brain with the results being shown in the recording of the brain activities. Therefore, we would say meditation is a scientific process.
pseudoscience on the other hand have made claims about meditations but scientific observations have not been made to back up the claims.
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what was the independent and dependent variable of kettlewell’s experiment
Answer:
The experiment found that birds selectively prey on peppered moths depending on their body colour in relation to their environmental background.
Explanation:
The evolution of a dark-coloured body provided a survival advantage in a polluted locality.
Independent Variable: Moth color (light or dark)
Dependent Variable: Predation rate by birds on moths (affected by camouflage against tree trunks).
The independent variable in Kettlewell's experiment was moth color—light or dark. The dependent variable was bird moth predation. Kettlewell examined pollution-induced tree trunk darkening, industrial melanism. Soot-covered trees helped dark moths conceal, minimising predation. The experiment examined if moth colour affected avian predation.
Light moths were more apparent on dark trees and preyed on, whereas dark moths had an advantage. This encounter showed how natural selection adapts organisms to environmental changes. Kettlewell's work showed how camouflage affected predation and evolution, linking colour variation to survival benefits in diverse settings.
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URGENT which list orders the terms from least complex to(at the beginning) to most complex(at the end)
A. cell, atom, molecule, organelle
B. atom, molecule, organelle, cell
C. cell, organelle, molecule, atom
D. Atom, molecule, cell, organelle
Explanation:
the answer should be D because an atom is smallest
Correctly label the diagram of the cell with the parts of transcription and translation. Submit your response as a numbered list
1
2
3
4
5
Answer:
jlkjkllkj;
Explanation:
lkjnkjlnmklhbkjbjkhb
Explain how the guard cell controls water loss from a leaf?
1 The......
of flowers make a yellow powder called
2
Pollination happens when pollen moves from the......
to the.....
of a flower of the same type.
3
Some plants use......
to blow the pollen far way.
4
Insects get .........
on their bodies when they visit flowers to feed
on
5
The.......
and eggs join together inside the
during
.This is how......
form.
stamen, pollen, stigma, ovary, wind, pollen
not sure ab #5
Earth Science: Q9. What does each letter in the diagram below represent?
The Earth is composed of three main layers: the crust, the mantle and the core. A) Inner core, B) Outer core, C) Mesosphere, D) Lithosphere, E) Astenosphere, F) Oceanic crust, G) Continental crust, H) Litosphere, I) Outer mantle, J) Astenosphere.
What are the layers of the Earth?Three main layers compose the Earth.
The crustThis is the most external layer.
It is located right upon the mantle and is divided into many plates, that move over it.
It is composed of the oceanic basaltic plate (6-12 km) and the uppermost continental granitic plate (25-70 km).
The mantleThis is the second layer that composes the Earth.
It is a very hot and dense rock that is capable of flowing.
Convection currents occur in this layer, rising hot melted material from the deepest region and sinking cold solid material from the surface.
Three layers compose the mantle,
• Upper mantle (40-400km)
• Transition zone (400-670km)
• Inner mantle (2285 km)
The coreThis is the third layer and is divided into two sublayers,
- the solid inner core (1216 km)
- the liquid outer core (2270 km)
The core is mainly composed of Ferrum and nickel, and its temperature is about 6000ºC.
The extremely high temperatures are closely involved in material circulation, keeping the Earth's surface temperature, and electromagnetic field.
• The core composes the Endosphere
• The Internal mantle composes the Mesosphere
• The Transition zone and superior mantle compose the Astenosphere
• The Crust composes the Lithosphere
In the attaches filed you will find the correct names of each layer.
A) Inner core
B) Outer core
C) Mesosphere
D) Lithosphere
E) Astenosphere
F) Oceanic crust
G) Continental crust
H) Litosphere
I) Outer mantle
J) Astenosphere
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difference between receptors and effectors.
Which of the following government agencies' websites would be referenced to determine the infant mortality rate in the United States from
1998-2004?
Prevention and Control for Disease (CDC). The national public health organisation of the United States is called the Centers for Disease Control and Prevention. It is a federal agency of the United States with its main office in Atlanta, Georgia, and is part of the Department of Health and Human Services.
The major objective of the organisation is to protect public health and safety by preventing and controlling sickness, accidents, and disabilities both domestically and abroad. The Centers for Disease Control and Prevention - CDC focuses on creating and implementing disease control and preventive strategies. Centers for Disease Control and Prevention pays close attention to environmental health, occupational safety and health, infectious illness, food-borne pathogens, occupational health, health promotion, injury prevention, and educational initiatives aimed at enhancing the health of Americans in general. As a founding member of the International Association of National Public Health Institutes, the Centers for Disease Control and Prevention - CDC also conducts research and disseminates knowledge on non-infectious disorders like diabetes and obesity.
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why can’t Science tell us what happened at the beginning of time.
Answer: Because god is what happened at the beginning of time but science can explain god no one can so they can't talk about how the beginning of the world happened
Explanation:
i guess because we can't prove everything 100% and lots of people have different beliefs
hope this helps but i doubt it lol
The second step in the scientific method is:
A. Constructing a hypothesis.
B. Doing background research.
C. Communicating results.
D. Asking a question
What should a food worker do too prevent chemical hazards from contaminating food
A. Wear gloves when working with ready-to-eat foods
B. Remove pits from cherries and immediately discard them
C. Store cleaning solutions in a utility closet away from food
D. Clean and sanitize cutting boards after cutting raw chicken
Answer:
i think (C.) Store cleaning solutions in a utility closet away from food
is the most important one
The main two ways scientists share results of an experiment are
by writing a paper and submitting it to an academic journal or
presenting their findings to their students at universities.
O True
O False
Answer:
False
Explanation:
I took the test
Living organisms require energy for
All living things require energy to carry out their activities. Metabolism is a series of chemical events that provide energy for cellular operations. Every movement or action performed by an organism consumes energy.
Why do organisms need energy?
Role of energy:
By reading a book, walking or running. Your body needs energy all the time. There are activities in our bodies that we are not even aware of that require energy.
For example, our heart keeps beating and breathing. We digest food, absorb it into our bloodstream and carry out various activities in our body. Therefore, all these processes, like many others that occur in the body, require the use of energy.
How do organisms use energy?
Almost everything consumes sunlight or anything that consumes sunlight. The sun is the primary source of energy for species and the environments in which they live. For example, plants and algae use the energy of sunlight to create food energy by mixing carbon dioxide with water. Additionally, this process initiates the transfer of energy through virtually all food webs.
people as well. By breaking down food molecules, cells can store energy. It performs many functions that cells, and thus whole organisms, perform.
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The ________________________ absorbs water and salts from the undigested waste.
Answer:
The large intestine absorbs water and salts from the undigested waste.
Scientists once believed that protons, electrons, and neutrons were the smallest particles of matter. Now they believe that these particles are made of even smaller particles.
Which statement gives one of the reasons the original belief was a theory?
A It was not based on tests or observations.
B It was a factual statement based on a hypothesis.
C It did not explain what matter is actually made of.
D It was a widely accepted explanation of the structure of matter.
Answer:
b
Explanation:
because science is all about hypothesis
What is the Punnett square for RrYy x rrYy
RrYy x rrYy
Gametes: RY, Ry, rY, ry and rY, ry, rY, ry
Upon crossing these gametes:
RrYY, RrYy, RrYY, RrYyRrYy, Rryy, RrYy, RryyrrYY, rrYy, rrYY, rrYyrrYy, rryy, rrYy, rryyA dihybrid cross is made up of two people who have two features that are regulated by two different genes. Gregor Mendel's observation of pea plants that were either round or wrinkled, yellow or green, gave rise to the concept of a dihybrid cross.When two heterozygous people are crossed, the offspring's genotype and phenotypic ratios will be predictable. Crossing heterozygous parents would result in an estimated phenotypic ratio of 9:3:3:1.Deviations from these predicted ratios may point to a relationship between the two features or to a non-Mendelian method of inheritance for one or both of the traits.The genotypes of a specific cross or breeding experiment are predicted using the Punnett square, a square diagram.16 different genotypes will be formed.
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What happens to the balloons as the nubber sheet is released ?Suggest an explanation for your observation.
When the rubber sheet is pushed upwards into a dome shape, the balloons become deflated. This is because the air volume inside the bell jar decreases, thus increasing the air pressure. As a result, the volume of the balloons decreases and the pressure increases.
I hope this helps :)
5. R groups can be classified by their chemical properties. Identify the three classifications for R groups and then
discuss how the R groups affect the structure and function of a protien
Answer:
this is answers
scan and see
Where do counseling psychologists usually work
Answer:
Hospitals.
Rehabilitation centers.
Mental health facilities.
Long-term care facilities.
Schools.
Universities.
Public counseling centers.
Correctional facilities.
Explanation:
im at a correctional facilitie right now we got counselers here
Answer: Counseling Psychologists usually work at the places I have listed.
Hospitals
Rehabilitation centers
Mental health facilities
Long-term care facilities
Schools
Universities
Public counseling centers
Correctional facilities
Independent or private practices
What is the molarity of 1.2 moles of calcium carbonate (CaCO3) dissolved in 65mL of water
18.46mol/L is the molarity. here we know that molarity is number of moles divided by the solution in liter.
The symbol for molarity is a capital M. A solution is a mixture of two or more substances in which the substances that are mixed together and that do not change chemically. Molarity is the number of moles of solute that is present in the per liter of solution.
here it is given that 1.2 moles of calcium carbonate (CaCO3) dissolved in 65mL of water and we have to find the molarity
so molarity is number of moles of solute/ Liter in solution.
so 1.2moles÷0.065l
=18.46mol/L
The unit of molarity is mol/L. the number of moles of solute per liter of solution refers to Molarity it is expressed in moles/liter.
molarity of the 1.2 moles of calcium carbonate (CaCO3) dissolved in 65mL of water is 18.46mol/L we got it from the above equation
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Students use a microscope to look for structures present in four different cells. The students
placed an X for each structure that was viewed for each cell on the table shown.
Which cell (or cells) were most likely a eukaryote? Choose the BEST ANSWER CHOICE
A. Cell X only
B. Cell X and Cell Y
C. Cell W and Cell Z
D. Cell X, Cell Y and Cell Z
Cell Z
Which statement is NOT true about the maintenance of variation in a
population?
O Heterozygote superiority may lead to selection for the heterozygote above
either homozygote.
O Selection for adaptation to a particular environment ensures that the
population will become stronger and more viable under any conditions.
O Only phenotypes are acted on by selection, so heterozygotes serve as a
reservoir of recessive alleles that may be adaptive in a different environment.
O Variations allow for the presence of conditions such as sickle cell anemia.
O Variation is maintained through mutation, recombination, gene flow, and
changed conditions.
Selection for adaptation to a particular environment ensures that the
population will become stronger and more viable under any conditions. This statement is NOT true about the maintenance of variation in a
population.
A variety of factors contribute to population genetic diversity. Potentially harmful recessive alleles in diploid organism populations can be protected from selection by heterozygous individuals (recessive alleles are only expressed in the less common homozygous individuals). Natural selection can also preserve genetic diversity by preserving balanced polymorphisms. Balanced polymorphisms may develop when heterozygotes are preferred or when selection is frequency-dependent.
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how we can distinguish the location of each researcher on research( their university)
Such a central database doesn't exist, certainly not one that includes all researchers working in a particular field.
Even though it's a rather ambiguous mapping, one of the best options I can think of is to query for all publications in as many influential venues of the field you're interested in using DBLP (or a queryable part of it, like Faceted DBLP), and then filter the linked authors based on their foaf: homepage attribute.
This may at least give you a rough idea of the institution (and therefore the nation) the researcher is (or was?) involved with. (Very unstable; however, it might be close to being better than nothing.) –
I believe using the websites of the principal pertinent institutions is your best course of action. However, it will take a lot of work.
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How are lipids and carbohydrates alike
Answer:
Both lipids and carbohydrates contain a lot of chemical energy and can be used for energy storage.
Explanation:
Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen. In addition to storing energy, lipids help build certain hormones; provide insulation; and form cell membranes.