What happens when there is a sharp rise in the extinction rate that greatly exceeds the background rate?

What will be an ideal response?


Mass extinction occurs.

Environmental & Atmospheric Sciences

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A sack of potatoes weighing 200 N falls from an airplane. As the velocity of fall increases, air resistance also increases. When air resistance equals 200 N, the sack's acceleration in meters per second squared is

A) 0. B) 5. C) 10. D) infinite. E) none of the above

Environmental & Atmospheric Sciences

________ pollutants are emitted directly into the air

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Who made the following statement: “In wildness is the preservation of the world”?

a. Rachel Carson b. Lao Tzu c. Aristotle d. Henry David Thoreau

Environmental & Atmospheric Sciences

The A horizon of a soil consists of ____

a. bedrock b. unchanged parent material c. the partly decomposed organic debris d. the topsoil

Environmental & Atmospheric Sciences