Answer:
Option A.
Explanation:
Air pressure decreases with increasing altitude.
The Answer is B) support and protection because your bones protect and support your organs.
The radius is on the outside, or lateral side, of the elbow. It connects to the thumb side of the wrist. The radius is bigger and longer than the ulna which is on the inside, or medial side, of the forearm closest to the body.
For cellular respiration, the solution needs to be provided with glucose and optimum oxygen supply.
Explanation:
The cellular respiration uses the simplest form of food i.e. is glucose in its first step of glycolysis so, the food source must be in simpler form in the solution. Also, cellular respiration takes place in the presence of oxygen so optimum level of oxygen is to be supplied also temperature plays a key role so it also needs to be maintained.
