Answer:
Nitrogen is in the soil under our feet, in the water we drink, and in the air we breathe. In fact, nitrogen is the most abundant element in Earth's atmosphere: approximately 78% of the atmosphere is nitrogen! Nitrogen is important to all living things, including us. 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.
Answer:
Vestigial structures
Explanation:
support evolution, by suggesting us that the organism changed from using structure to not using structure or using it for another purpose.
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<em>Organ donation is nothing but the process by which the person donates his/her organ to other person to save the life of a him/her.</em>
