What is the name of the uppermost layer of the atmosphere? why does it feel cold there, even though the temperature can be very high?

According to this map, which of these statements is most correct? a) fewer people are contracting hiv in europe than in the past. b) fewer people are contracting hiv in southern africa than in the past. c) egyptians are less likely to contract hiv than people in sub-saharan africa. d) people in canada contract hiv more frequently than people in the united states.

What was the atlanta race riot of 1906 ?

What is a capital crime? its not social studies but they don't have criminal justice