C is correct. the rest is either about food webs or about both food webs and food chains.
It produces proteins for the cell to function
Answer:(2010) analysed how individual components of the atmosphere contribute to the total greenhouse effect. They estimated that water vapor accounts for about 50% of Earth's greenhouse effect, with clouds contributing 25%, carbon dioxide 20%, and the minor greenhouse gases and aerosols accounting for the remaining 5%.
Explanation:
The type of reaction that build proteins from amino acids are dehydration reactions
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