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.
Answer:
The answer is letter B
Explanation:
A cell contains thousands of different kinds of enzymes, each promoting a different chemical reaction.
Global warming / climate change resulting in the melting of glaciers causing a rise in sea level.
Answer:
2nd one is the most realistic of what occurs in ecosyystems
Answer:
Swelling
Explanation:
As the body tries to heal itself, the tissues may swell and become inflamed, causing a cast to become tight and uncomfortable.
