Which viewpoint is shared by biologists about acceleration of the extinction rate caused by human activities?

A. It is probably the most serious environmental problem we face.
B. It is not a concern because other species will quickly take their place.
C. It is regretful, but the earth was made for humans, not other species.
D. It is not a problem because we can just bio-engineer new species.


Answer: A

Environmental & Atmospheric Sciences

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Which is the largest island of the Caribbean?

A) Suriname B) Cuba C) Jamaica D) Haiti E) Belize

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Based on your knowledge of the pressure gradient and Coriolis effect, identify the proper pressure cell and location.



A) Low pressure, Northern Hemisphere
B) Low pressure, Southern Hemisphere
C) High pressure, Southern Hemisphere
D) High pressure, Northern Hemisphere

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Which of the following statements about hazardous materials and toxic materials is correct?

A. All toxic materials are hazardous. B. All hazardous materials are toxic. C. Only toxic materials can be hazardous. D. Hazardous materials and toxic materials the same.

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If a country is experiencing a negative net migration rate, then

A) more people are leaving the country than moving to it. B) more people are moving to the country than leaving it. C) a negative net migration rate does not tell us anything. D) more people are dying in the country than are being born. E) the number of people leaving the country is equal to the number moving there.

Environmental & Atmospheric Sciences