Locate the tropical rain forest and tundra in both figure 1 and figure 3 describe the general climate and global location of both biomes

the answer is a) cell division.

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c is the answer to this question. altitude affects the weather because air molecules evaporate.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.