If the ozone layer becomes weaker A
More ultraviolet radiation can reach the Earth's surface
B
No ultraviolet radiation can reach the Earth's surface
с
Earth would be unaffected by this change
D
Less ultraviolet radiation can reach the Earth's surface

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!

In two sentences explain the differences of neutrophil and macrophage

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water