I think they contain covalent bonds, between the carbon atoms and also between the carbon atoms and hydrogen atoms. Polymers consist of chain-like molecules that are in turn, made up of numerous smaller, repeating units called monomers.
<span>The energy from the sun is absorbed by the chlorophyll of plants leafs and then is converted in glucose by a process called photosynthesis. After we eat and digest plants, glucose in our blood is transported through all muscles.</span>
<span>C. nitrogen and hydrogen shoould be your answer
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Answer:
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All living cells need energy to function in order for the chemical reactions occurring in the cells to take place. In humans this energy is obtained by breaking down organic molecules such as carbohydrates, fats and proteins.
