1. Ecological dialogue can best be summarized as:

A) what we believe about the environment depends on what we see and feel.

B) what we see and feel about the environment depends on what we believe.

C) Both A and B are correct.

D) Neither A nor B is correct.

2. Which of the following is the major cause of species extinction?

A) Habitat loss

B) Pollution

C) Genetic engineering

D) Interrupted reproduction

3. The 1995 Nobel Prize in Chemistry was awarded to three scientists whose work led to discovery of the causes for the thinning of the earth's atmosphere by chlorofluorocarbons (CFCs). Which of the following was NOT one of these scientists?

A) Mario Molina

B) Paul Crutzen

C) Sherwood Rowland

D) Aldo Leopold