What is an example of non point source pollution? A)oil wells
B)drain pipes
C)gold courses
D)sewage treatment plants
E)underground mines

Which of the following is evidence to the past existence of glaciers?

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

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