1.) Reduce the number of trips you take in your car.
2.) Reduce or eliminate fireplace and wood stove use.
3.) Avoid burning leaves, trash, and other materials.
4.) Avoid using gas-powered lawn and garden equipment.
The study of living things or the study of life. "Bio" meaning life. "-ology" meaning the study of.
Depends, if it's from acid rain (or acid from plants) its chemical if it's from the wind beating (or a plants roots) it down then its physical
The shape you will not see is a crescent . <span />