The tides on earth are caused mainly by earths gravitational interactions with which of the following
a. sun and mars
b. sun and moon
c. moon and jupiter
d. mars and moon

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