1. Obtain Information Search for and watch an online video clip that shows the lotus effect.
What do
you
think causes this phenomenon?

Nonpoint source pollution is difficult to control because it

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate