Answer:
2.D 3.nitrogen and oxygen 4.at the poles 5. 8 minutes and 20 seconds 6.B
Explanation:
Answer: Blood moves very slowly through capillaries. As the blood moves through a capillary, nutrients, oxygen, and food leave the blood and enter the body cells. The blood also picks up wastes and carbon dioxide.
Explanation:
From the given choices above, the portion that is not readily penetrated by the sunlight is the river's or the stream's mouth. The plant life usually are on the surface of the water. The middle portion is occupied by the fish and other aquatic lives.
Specific heat<span> is how much </span>heat<span> energy is needed raise the temperature of a substance. </span>Water has<span> a very </span>high specific heat<span>. That means it needs to absorb a lot of energy before its temperature changes. </span>Sand<span> and asphalt, on the other hand, </span>have<span> lower </span>specific<span> heats.</span>