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12
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BI UA
co
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15
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Review what you have done in this activity and write a scientific explanation for why the energy from
the Sun must come from nuclear processes rather than chemical processes. Record your responses
below.
Claim.
Evidence

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.

yes

explanation

they do and it slaps