Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
Answer:
C
Explanation:
the orchard owner does not have to purchase bees to pollinate his flowers.
It has been printing for 141 years
I believe the answer is c. No where in my notes I took back in language arts class on the research process does it say about participating in a peer review.
