High population density can ________

A) decrease biodiversity within a species
B) increase the incidence of disease transmission
C) hinder organisms from finding mates
D) decrease competition
E) decrease the use of resources


Answer: B

Environmental & Atmospheric Sciences

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Why does a glowing splint of wood burn only slowly in air, but rapidly in a burst of flames when placed in pure oxygen?

A) There is a greater number of collisions between the wood and oxygen molecules. B) Oxygen is a flammable gas. C) Pure oxygen is able to absorb carbon dioxide at a faster rate. D) A glowing wood splint is actually extinguished within pure oxygen because there's no room for the smoke to expand.

Environmental & Atmospheric Sciences

Foliated metamorphic rocks can form from both regional and contact metamorphism

a. True b. False

Environmental & Atmospheric Sciences

Wind speed is determined by ________

A) latitude B) parallax C) pressure gradient force D) the Coriolis effect E) random motions of gas molecules

Environmental & Atmospheric Sciences

"Brown fields" is another name for

A. Abandoned, contaminated surface mines B. Degraded wetlands C. Abandoned, contaminated industrial sites D. Prairies converted into croplands E. Tallgrass prairies

Environmental & Atmospheric Sciences