Explain how a forester can make sure that an area is harvested sustainably.

A forester is a person whose main job is to look after the trees and plant new trees. They are the person who is responsible for determining the areas that can be harvested in a sustainable manner.

They are the person who determines that which area the trees can be removed without harming the environment and make sure that areas are not over-harvested.

preservation because he preserves part of the land and preserves means save

explanation:

answer increasing the intensity, duration,and frequency of exercise progressively;