For example driving cars, they release nitrogen and sulfur in the water vapor. This causes the water vapor to be more acidic. So then When the precipitation falls back to the Earth it comes down as acid rain.
Answer:
Surface area
Explanation:
The surface area to the volume ratio gets larger as the cell gets smaller and vice versa.
White blood cells use "legs" to grab ahold of the blood vessel walls to inch their way forward.
They do, but very slowly. Mostly when growing or wind is hitting it.
Answer:
An artificial heart is a prosthetic device that is implanted into the body to replace the original biological heart. It is distinct from a cardiac pump, which is an external device used to provide the functions of both the heart and the lungs. Thus, the cardiac pump need not be connected to both blood circuits.
Explanation: