It has more similarity to fossils in layer A than layer D.
After a large meal, the pancreas helps by producing insulin, which helps break down sugars.
It must be durable and available
who is that??????!!!!!........
Answer:
Explanation:Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.