Hot air always rises from the equator. As this air climbs higher in the sky, it cools. Cool air can hold less water than warm air. This means that as the air cools, clouds form that release most of the water they hold. Because the cooling air is above the equator, the moisture rains back down on the tropics.
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries,
Answer: Food increase, Land/ shelter increase, and lower death rate.
Explanation: All of these contribute to the growth of any population.
<span>So I think it a true .Beacosue </span>The bacterial will produce human hemoglobin and its own bacterial proteins.<span>and crucial,..</span>
Answer:
C.facilitated diffusion
Explanation:
Because it have some chemicals did you breathe from the person who using cigarettes.