Group chat anyone? im bored and the topic for this group chat is on who is the best rapper?

What form of government is powers of states? first letter of the answer is r.

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)