Answer:
The effiency decreases at higher altitudes
Explanation:
The higher up a person is on a mountain, the thinner the air is due to the lack of plants that can grow. An example of this is Mount Everest. At a certian point on the mountain, called the "Death Zone", the air is too thin to supply enough oxygen to the human body to survive. That's why they bring oxygen tanks with them on their adventures.
I believe the answer is fish vertebrates. i hope this helped
Warm blooded animals are much stronger and like aligators , reptiles and different warm blooded animals
The weigh of each tomato is the dependent variable
