How does planting a plant help the environment and the state we are in?

During photosynthesis, trees and other plants absorb carbon dioxide and give off oxygen. Trees keep in cheek the air and water pollution. Why planting trees is important is evident as they are the natural habitat of the animals and birds, as well as many endangered species.

answer; seasons change because earth tilts on its axis; and the angle of the tilt causes the northern and southern hemisphere to trade places throughout the year;

a characteristic is a deep cut in the earth or left over rock aka till.