Gravity on the moon is about 1/6 th the gravity felt on the earth. this is because a) the moon is so far away from the earth. b) the moon is much less massive than the earth. c) the earth has a molten core and the moon doesn't. d) the moon is so much further from the sun than the earth.

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation