Answer:
If this is a T or F question, it's probably true
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:
femur I am pretty sure. The skull sheilds your brain, your ribs for your heart and lungs. backbone spine
Explanation:
The advantage of small and large reserves is that it only
requires small labor and it can also serve a city and a town. The only disadvantage
of the small and large reserves is that it is quite expensive despite of its
usefulness.