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
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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.
Foliated metamorphic rocks can form from both regional and contact metamorphism
a. True b. False
Wind speed is determined by ________
A) latitude B) parallax C) pressure gradient force D) the Coriolis effect E) random motions of gas molecules
"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