A population will decrease as
A. birth rate increases.
B. mortality decreases.
C. biotic potential increases.
D. environmental resistance increases.
E. immigration increases
Answer: D
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What offsets the mid-Atlantic ridge's movement at fairly regular intervals?
A) Hydrothermal vents B) Cooling lithosphere C) Transform faults D) Seamounts
Energy transferred by electromagnetic waves is called ____
A) magnetism B) convection C) conduction D) radiation
The EPA is charged with cleaning up brownfields, which are ________
A) urban areas contaminated by acid drainage from mining B) desert regions used for unsafe nuclear waste disposal C) agricultural lands polluted by acid and heavy metals D) coastal seagrass beds damaged by industrial dumping E) lands whose reuse or development is complicated by the presence of hazardous materials
Many metals are extracted from ores that contain ________ minerals.
A. carbonate B. sulfate C. halide D. silicate