According to Stephen Saunders, former deputy assistant Secretary of the Interior, the greatest threat the national parks have ever had is

a. large scale deforestation
b. the projected climate change
c. overuse by tourists
d. air pollution
e. pollution of both air and fresh water bodies such as streams and rivers


B

Environmental & Atmospheric Sciences

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The number of electrons ejected in the photoelectric effect depends on the

A. brightness of incident light. B. frequency and wavelength of light. C. wavelength of incident photons. D. frequency of incident photons.

Environmental & Atmospheric Sciences

Based on your readings about population pyramids AND the Demographic Transition Model, which of the following nations is likely represented by this population pyramid?


A) Nigeria
B) Pakistan
C) Bangladesh
D) China
E) Germany

Environmental & Atmospheric Sciences

At which location would the Coriolis force deflection be the least?



A) A
B) B
C) C
D) D

Environmental & Atmospheric Sciences

Which of the following would best describe a worm that lives within human hosts and causes disease?

a. A bacterium b. A virus c. A parasite d. An epidemic

Environmental & Atmospheric Sciences