On an upper-level chart, which of the following is indicated by a ridge?
A. average heights
B. higher than average heights
C. a region with calm winds
D. lower than average heights
Answer: B
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Which of the following concepts best explains why a mass of low-density material in the mantle rises?
A. Radiation B. Strain C. Buoyancy D. Density E. Uniformitarianism
Why are genetic diseases more likely in the offspring of closely related parents than in the general population?
A) There is a greater likelihood that one parent carries a dominant gene for a disease. B) There is a greater likelihood that both parents carry a dominant gene for a disease. C) There is a greater likelihood that one parent carries a recessive gene for a disease. D) There is a greater likelihood that both parents carry a recessive gene for a disease.
When a cold cP air mass passes over the warmer Great Lakes, it absorbs heat energy and moisture and becomes humidified. This is known as the
A) lake effect. B) maritime effect. C) humidity effect. D) continental effect.
Planetesimals, asteroid-size objects, form during the early history of the solar nebula due to ________
A) vortices in the rotating disc associated with the protosun B) the break-up of the solar nebula as it cools and contracts C) the formation of comets in the outer parts of the solar nebula D) collisions of particles of ice, metal, and rocky material rotating about the protosun