Answer: A system is a group of interrelated interacting, or interdependent parts that for a complex whole. A system is a group of interrelated interacting, or interdependent parts that for a complex whole.
Explanation:
Answer:
pollution.
I looked it up on Google.
The brain is part of the central nervous system
D. New moon
This is when the side of the moon facing us is dark
The answer to this question would be B
