Answer:
Amino acids
Explanation:
Nitrogen is a major part of amino acids. Which are the building blocks of proteins and nucleic acids.
Organism-population-community-ecosystem-biome in that order
Answer:
1.2 stands for 2 atoms of hydrogen and 1 atom of oxygen
2.carbon and oxygen
3.
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6.
Due to human demand because of its importance to life, the Earth's most precious resource is. <span>C. freshwater</span>
