The answer to the question is true
Answer:
Unequal heating of the earth
Explanation:
Warm air rises at the equator and moves towards the poles. At the poles, the cooler air sinks and moves back to toward the equator
Answer:
Lack of oxygen
Explanation:
There are two mechanisms for energy production (glucose breakdown), aerobic and anaerobic. When adequate amounts of oxygen are present, aerobic mechanism is used. However, when there is insufficient oxygen, such as during exercise, the anaerobic mechanism is used.
It is called the seed coat
The sewing needle should float in the water if placed on a horizontal angle if I remember properly.
I hope this helps in some way.