A. To make a living, many fur trappers became guides for lands west of the Rockies because
animal activist groups were outraged by the practices of fur trappers.
b. there were fewer animals west of the Rockies.
c being a guide was more exciting,
d. fur trading had become less profitable.

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

Are first amendment rights guaranteed in every situation? a. yes, because protecting civil liberties was one of the most important values to the founders of this country b. no, because sometimes the government limits individual freedoms for the benefit of the public as a whole. c. no, because people have to earn their first amendment rights by behaving in a responsible way. d. yes, because the first amendment is part of the constitution, which is the basis for all law and government.

Why were the chang and xi rivers important to china’s development? a. they keep invaders out. c. they kept china isolated. b. they provided a route for ships to travel inland. d. they provided boundaries for the different political sections