Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.
Answer: solar power
Explanation: Wind power is considered indirect forms of solar power because the wind's energy originates in the uneven heating of the Earth. Water power is considered indirect solar energy because water is evaporated by solar hear, lifted and carried by the winds
Answer:
Fatty acids are the building blocks of the fat in our bodies and in the food we eat. During digestion, the body breaks down fats into fatty acids, which can then be absorbed into the blood. Fatty acid molecules are usually joined together in groups of three, forming a molecule called a triglyceride.
<span>i think it is a.Molecules move against their concentration gradient. hope it helps
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Answer:
They have a backbone, most use legs,wings,or fins for movement.
