Answer:
C. Oxygen & Hydrogen.
Explanation:
The body is made of 65% Oxygen, 18% Carbon, 10% Hydrogen, 3% Nitrogen, and 4% other elements.
Answer is B. Antarctic
71 % of the Earth is cover with water. The large water body is divided and have specific names. There are four distinct oceans. These are Pacific, Indian Atlantic and Arctic oceans. Among these Pacific, Atlantic and Indian are the major oceans. The United States along with most countries now recognize the Southern (Antarctic) as the fifth ocean.
The answer is D. in animal cells, the cell membrane allows materials in and out of the cell, while the mitochondria uses nutrients to make energy (ATP) for the cell.
Secretary of defense is ahead but not a soldier in rank
In ranking its the general (which is the highest rank in the army)
