What effect has the existence of humans had on the environment?
climate Negative Neutral Positive Smoking It expands sweating None
A B C D E F G H
Humans meet some needs and wants by using resources found in the natural environment.
Humans have a negative impact on the environment.
What effect has the existence of humans had on the environment? (A) climate (B) Negative (C) Neutral (D) Positive (E) Smoking (F) It expands (G) sweating (H) None