Both ________ and ________ can change global species diversity?

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


D

Environmental & Atmospheric Sciences

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How many nonbonding pairs of electrons are in the following molecule?H-H

A. 6 pairs B. 1 pair C. 8 pairs D. 0 pair E. none of the above

Environmental & Atmospheric Sciences

Plants became extinct at twice the rate of animals during the Permian extinction event

a. True b. False

Environmental & Atmospheric Sciences

________ metamorphism is the term used for the process in which rocks are altered by hot water.

A. Tectonic B. Burial C. Shock D. Hydrothermal E. Aqueous

Environmental & Atmospheric Sciences

Critical to the development of a shared sense of place is what takes place on a daily basis in "third places," meaning such places as

A) pubs, cafes and corner stores. B) workplaces. C) people's homes and apartments. D) government offices.

Environmental & Atmospheric Sciences