Answer: Atmosphere
Explanation:
Atmosphere is the part of the earth, known as the gaseous part, since it contains gases such as nitrogen (about 78%), oxygen (about 21%), Carbondioxide (about 0.03%), and rare gases to make the rest.
Thus, atmosphere contains the most whole of oxygen and carbon dioxide
The answer could be either B or D. Both are important for marine biology. I would have to say D is the best answer though!
Answer:
Flora refers to plant life, while fauna refers to animals!
Explanation:
The answer you are looking for is the <span>hypothalamus</span>