This is the largest source of atmospheric pollutants

A) volcanic eruptions
B) human activities
C) forest fires
D) heavy winds in dry deserts


Answer: B

Environmental & Atmospheric Sciences

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Cost per unit of a good or services decline as the level of production increases. This is described as ________

A) discount rate B) opportunity cost C) economy of scale D) economic value E) profit

Environmental & Atmospheric Sciences

Both ________ and ________ can change local species diversity but not global species diversity?

A) emigration; extinction B) speciation; extinction C) extirpation; extinction D) speciation; immigration E) immigration; extirpation

Environmental & Atmospheric Sciences

Which of the following types of radiation can cause mutations?

A) infrared B) microwave C) ultraviolet D) all of these

Environmental & Atmospheric Sciences

Unfavorable conditions or attributes of a place that encourage migration are known as:

What will be an ideal response?

Environmental & Atmospheric Sciences