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.
<span>the study of the origin of words and the way in which their meanings have changed throughout history.</span>
Answer:
the first one
Explanation:
it uses a actual problem in the real world
My answer is B love is the most important thing I life.