module43REVIEW

501

In this module, we learned that oil pollution in water comes from both natural sources and human activity. Oil pollution can be devastating to plants and animals. We have developed several ways to help clean up oil spills. In the next module, we will examine nonchemical forms of pollution.

Module 43 AP® Review Questions

Question 1

1. The Exxon Valdez oil spill

  1. was cleaned up within 2 years of the spill.

  2. lead to new regulations for oil tankers.

  3. was larger than the Deepwater Horizon spill.

  4. primarily affected aquatic organisms.

  5. has not significantly changed the ecosystem 20 years later.

Question 2

2. Approximately what percent of the oil in marine waters worldwide is due to natural causes?

  1. 5 percent

  2. 20 percent

  3. 35 percent

  4. 45 percent

  5. 60 percent

Question 3

3. Which is NOT used in the cleanup of oil spills?

  1. Genetically engineered bacteria.

  2. Clumping agents applied to underwater plumes.

  3. Chemical dispersants.

  4. Large vacuums.

  5. Absorbent materials along the coast.