Which of the following statements is true regarding physical
changes?
SELECT ANSWER
A: Burning a log of firewood into ashes is an example of a
physical change.
B: physical change results in a change in the
composition of a substance.
C : Physical changes can be reversed.
D Melting sugar in water is an example of a physical
change.
Answers
Answer:
C. Physical change can be reversed.
Related Questions
What is an example of a seasonal change for fall?
Birds building nests for young
Brown bears growing more fur
Mice hibernating
Sea turtles laying eggs
Answers
Answer:
Brown Bears
Explanation:
Birds build nests in spring, mice hibernate in the winter, and sea turtles lay their eggs in the summer. Bears grow more fur in the fall to prepare for their hibernation.
Which tools do meteorologists use to help create weather forecasts? select three options. guesses computer models weather service maps data from instruments personal observations
Answers
A meteorologist is person who applies scientific principles to explain and forecast the changes occurring in an Earth's atmosphere.They use weather service maps, data from instruments and personal observations.
What is difference between weatherman and Meteorologists?Meteorologists are person specialized to use scientific principal to forecast Earth's atmosphere.
The key difference between meteorologists and weatherman is that meteorologists work in offices and research environments and involved in collecting and analyzing weather data.
A weatherman reports weather conditions, alerts, and forecasts on live television.
Meteorologists also find out the way of changes in the Earth's atmosphere affecting the climate and the life of the organisms.
Meteorologists are able to predict the changes in the atmosphere by weather service maps, data from the instruments and from the personal observations.
Thus, the correct options are weather service maps, data from the instruments and from the personal observations.
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Antipsychotic drugs help treat symptoms such as ______, while mood stabilizers help treat symptoms such as ________.
Answers
Answer: Antipsychotic drugs help treat symptoms such as hallucinations, while mood stabilizers help treat symptoms such as mania.
What does the exoskeleton use to prove its movements?
Answers
Answer:
An exoskeleton contains a frame that goes around a user’s body or part of the user’s body. The frame is sometimes made out of a hard material, such as metal, and sometimes out of soft material, such as special kinds of fabric. Some exoskeletons contain sensors, which monitor and respond to users’ movements.
Explanation:
what is the source of salts used in the synthesis of amino acids in plants
Answers
Answer:
Essential amino acids (EAAs) are amino acids that are necessary to build proteins in an organism. The source of complete EAAs are both animal and plant-based food.
...
Essential amino acids in plant food.
Explanation:
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similarities and difference between a drupe and a berry
Answers
Answer:
Answer: A drupe is a fruit that is pulpy on the outside, and has a hard shell on the inside that contains one seed. A pome is a composite fruit composed flower parts plus ova. Berries, to the contrary, are characterized by having a fleshy endocarp, as well as mesocarp, and may have more than one seed.
Explanation:
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Which of the following will most likely occur from the modification of natural ecosytems by
humans? 4a
increased biodiversity
O increased stability in the ecosystem
decreased biodiversity
O decreased carbon dioxide emissions
Answers
Answer:
increased stability in the ecoystem
Which ocean zone provides Earth with the most atmospheric oxygen?
abyssal
benthic
pelagic
intertidal
Answers
Answer: it’s the pelagic
Explanation: I took the test
Which advantage of reproduction does the graph show? Explain!
Answers
The explanation regarding the advantage of reproduction that represents the graph should be described below.
Advantages of reproduction:
Here the graph represents the bacteria population that should be raised as the time passes. At the time of 1st hour, the bacteria population should be 50 per ml.
In the second hour, the population should be doubled. In the third hour it should be 200 per ml and in 3 and half hours, the population should be 300 per ml. So here we can see that the population should be doubled with every hour.
The movement of sinking water.
upwelling
salinity
downwelling
El Nino
Answers
Your correct option is ( A )
Upwelling is the movement of cold, deep, often nutrient-rich water to the surface mixed layer; and downwelling is the movement of surface water to deeper depths. Downwelling occurs when surface waters converge (come together), pushing the surface water downwards.
Answer:
The answer is Upwelling.
Explanation:
upwelling is an oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually nutrient-rich water from deep water towards the ocean surface
Jonny climbed an apple tree. How are Jonny and the apple tree similar to each other
a. both are made of cells
b.both get energy from other agrarianism
Answers
Answer:
a. Both are made of cells
Explanation:
According to the cell theory all living organisms are made of cells. An apple tree and a human are both livings organisms. Therefore they are both made of cells
Question 1 List five ways in which a chordate is more advanced than an arthropod.
Answers
Answer:
Phylum Chordata - Advanced
Includes: Tunicates, Lancelets, and Vertebrates (which include Fish, Amphibians, Reptiles, Birds and Mammals)
Explanation:
Correct me if I'm wrong
Chordates have closed circulatory systems, centralized nervous systems, internal skeletons, notochord, and, tail.
Arthropods vs Chordates
Arthropods are similar to chordates in that they are both triploblastic and bilaterally symmetrical, among many other features.
However, chordates show more evolutionary advancement over arthropods in terms of:
possession of a closed circulatory system instead of an opened one found in arthropods.possession of a centralized nervous system.possession of internal skeletons that do not require shedding before growing, unlike arthropods with exoskeletons.possession of a dorsal hollow nerve cord that develops into the brain and spinal cord in some chordates. possession of a tail.More on chordates can be found here: https://brainly.com/question/8124743
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what 2 things influence the control of pigment movement in chromatophores?
Answers
Answer:
The chromatophores are pigment-containing cells that occur in the integument and internal organs. Their function is to adjust the body coloration to its surroundings, depending upon the situation (e.g., protection, mating behavior, antagonistic displays).
Explanation:
A state agency wants to release endangered hawks but needs to determine the best site for their release. The state would like to know how many rabbits are in each area to determine which area has the largest prey population. Create a plan to determine how many rabbits are in each area to determine which site is the best location. Your plan should include specific information on how many animals will be tagged and how many samples should be taken to get the most accurate results. Use your simulation data to help you develop this plan
Answers
We choose that site which have large number of rabbits because rabbits are the food of hawks.
Which location should be selected?That site should be considered the best which has large number of rabbits because rabbits provide food for hawks so increase in population occurs in that location. We know that rabbits are the food of hawks so without suitable amount of food, the population of hawks is unable to increase.
So we can conclude that we choose that site which have large number of rabbits.
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How did you determine how much food to feed Snappy each week? Using Data Table 1, describe how the
amount of food Snappy was fed each week impacted her weight gain.
Write your answer here.
Answers
The amount of food Snappy ate impacted her weight gain as a result of the large volume taken in.
What is Food?
This is a substance which contain a lot of nutrients and is eaten by organisms for their survival.
When a person eats much, the body converts some of the excess nutrient into fats thereby causing weight gain in individuals.
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Where do butterflies get important dietary minerals from?.
Answers
Answer:
they get it from flower nectar..
Explanation:
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The cerebellar hemispheres are separated by a band of cortex called the.
Answers
Answer:
A fissure or groove that separates the two hemispheres is called the great longitudinal fissure. The two sides of the brain are joined at the bottom by the corpus callosum. The corpus callosum connects the two halves of the brain and delivers messages from one half of the brain to the other.
In your own words, Write a SCIENTIFIC definition of the word "property"
Answers
Answer:
Property is an attribute function that you can use to represent matter; to define it, you use observations, measurements, or combinations.
Explanation:
Hybrid seeds are deliberately crossbred for particular traits, such as growth pattern or disease resistance. they have been hand-pollinated and are patented, often sterile, and genetically identical within food types. these plants are usually grown in a monocultural environment and are cultivated for mass production and sale. they must be sturdy to withstand mechanical picking and cross-country shipping. they do not compare to the quality and taste of heirloom plants, but they do produce large, healthy fruit that appeals to most shoppers. unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again. which statement can be removed and not affect the excerpt’s reliability? hybrid seeds are deliberately crossbred for particular traits, such as growth pattern or disease resistance. they do not compare to the quality and taste of heirloom plants, but they do produce large, healthy fruit that appeals to most shoppers. unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again. they have been hand-pollinated and are patented, often sterile, and genetically identical within food types.
Answers
The accurate solution is not like heirloom seeds, if one saves a hybrid seeds, one will now no longer get equal plant again.
What is hybrid seed ?
It is produced by cross pollination and is beneficially good.
They does now no longer reproduce so that they do now no longer shop seeds from hybrids.Heirlooms are open pollinated. Thy may be harvested and replanted and it could be grown year after year.Hybrid seeds they're go pollinated. It is the primary contributor for eise in agriculture.Thus explained.
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Answer:
d. Unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again.
Explanation: i got it right on edge
What is the term used to describe a characteristic that helps an organism survive in its environment and reproduce?.
Answers
Answer:An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment.
Explanation: National Geographic Society
In which season does an animal hibernate?
O A. dry
O B. fall
O C. spring
O d. summer
O E. winter
Answers
A hollow area in sediment in the shape of an organism or part of an organism is.
Answers
Answer:
A hollow area in sediment in the shape of an organism or part of an organism is "a cast"
Explanation:
Name the parts labelled in the given cell diagram. 15 points…!!!
Answers
A=Cell wall
B=Nucleus
the given diagram is plant cell.
Florida is hot most of the year. Will a cougar show seasonal changes?
No, because the cougar can always find a food source in Florida.
No, because the environment does not change very much.
Yes, because the cougar needs to hibernate regardless of the weather.
Yes, because the environment does change and the cougar needs to adapt to survive.
Answers
Answer:
no
Explanation:
because there is no season change there is not a reason for the cougar to have season change
The transfer of energy that does not require matter is.
Answers
the answer is Radiation
In eukaryotes, the first amino acid in a growing polypeptide chain is always _______ because the only codon for this amino acid is also the _______ codon.
Answers
In eukaryotes, the first amino acid in a growing polypeptide chain is always methionine because the only codon for this amino acid is also the start codon.
If the membrane potential of a neuron decreases, the membrane potential _____.
Answers
Answer: Less Negative/ More Positive
(Either will work)
Explanation:
If the membrane potential of a neuron decreases, the membrane potential less negative/more positive.
In which cerebral lobes is the speech center located?
a) frontal
b) parietal
c) temporal
d) occipital
Answers
Answer:
A.
Explanation:
The correct answer is frontal / A.
Answer:
a) frontal
Explanation:
Each hemisphere of the cerebrum can also be divided into regions called lobes, which include the frontal, parietal, temporal, and occipital lobes. The lobes located in the front and side of your brain, the frontal lobes and the temporal lobes, are primarily involved in speech formation and understanding.
Fill the blank:
Vitamin A is found in ............foods of animal origin.
Answers
Answer:
Preformed vitamin A is found in foods from animal sources, including dairy products, eggs, fish, and organ meats [1,2]. Provitamin A carotenoids are plant pigments that the body converts into vitamin A in the intestine [1,3].
↪Preformed vitamin A is found in foods from animal sources, including dairy products, eggs, fish, and organ meats. Provitamin A carotenoids are plant pigments that the body converts into vitamin A in the intestine
You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. The main food sources of beta-carotene are: yellow, red and green (leafy) vegetables, such as spinach, carrots, sweet potatoes and red peppers. yellow fruit, such as mango, papaya and apricots.
Preformed vitamin A is found in animal products such as meat, fish, poultry, and dairy foods. Precursors to vitamin A, also known as provitamin A, are found in plant-based foods such as fruits and vegetables. The most common type of pro-vitamin A is beta-carotene.
Vitamin B12 is found only in foods of animal origin, therefore, vegans (strict vegetarians who consume no animal products) may need to supplement their diets with this vitamin.
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Based on this data and your knowledge of natural selection, which explanation best explains the trends seen in the data?
(1 point)
Answers
Natural selection explains the survival of an individual in the habitat to the exclusion of other memebers of the same species.
What is natural selection?The term natural selection has to do with the fact that organisms that are better adapted to their habitat live longer and has the opportunity to reproduce and perpetuate these favorable traits.
Unfortunately the question here is incomplete. However, we do know that natural selection explains the survival of an individual in the habitat to the exclusion of other memebers of the same species.
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