Environmental division is characterized by the occurrence of two aspects.
1. Environment Natural (Natural Environments) refers to the environment that occur naturally, such as soil, water, air, microorganisms, plants and animals, and so on.
2. Environmental manmade (Man-made Environments. ) refers to the man-made environment, such as food, shelter, medicines, equipment, facilities and machinery, appliances and so on.
การแปล กรุณารอสักครู่..