Question

_______is our basic life support system

Answer 1

Answer:

Environment

Explanation:

Answer 2

Answer:

Environment

Explanation:

Definition of environment. 1 : the circumstances, objects, or conditions by which one is surrounded. 2a : the complex of physical, chemical, and biotic factors (such as climate, soil, and living things) that act upon an organism or an ecological community and ultimately determine its form and survival.

Hope this helps.....

PLEASE mark me brainliest