Answer:
Recycling, reusing, composting, avoid the use of toxic chemicals and planting of more trees.
Step-by-step explanation:
Human activities such as recycling, reusing, composting, avoid the use of toxic chemicals and planting of more trees are the activities that plays an important role for the conservation of environment. Due to these activities, the environment is now recover its damages which was done by humans. These activities restore the health of our environment.