Answer: Option A) Proteins and nucleic acids
Explanation:
Proteins are composed of several amino acids with positively charged amino groups in their side chain. These amino groups (NH2) have nitrogen atoms in them.
Nucleic acids, as well have nitrogen atoms in the nitrogenous bases present in their structure. E.g DNA and RNA has Adenine molecules with two nitrogen atoms in its structures
Answer:
I am pretty sure it is B, weathering and erosion. Hope this helps!
JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ
The mechanical layer lies above the core is the mantle. It is the layer that is found after the core and it is the second layer of the Earth . It is about 84% of the Earth’s volume.
With what I could help u with anything
