sunlight would be the component to be added
Answer:
I think it's (D)... But I'm not sure
Respiratory: E
Nervous: C
Muscular and Skeletal: B
Circulatory: A and D
the defention of environment is the surroundings or conditions in which a person, animal, or plant lives or operates
Explanation:
because the natural world, as a whole or in a particular geographical area, especially as affected by human activity.
