Answer:
78 percent
Explanation:
The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
-Homologous structures in different organisms
The defination to energy is B) the ability to create a new substance.
Answer:
B Asexual reproduction
Explanation:
Asexual reproduction only requires one parent. The offspring is essentially a clone of the parent and while becoming identical will decrease genetic variation
Hope this helps