Silt is mostly composed of ________ grains.
A. clay mineral
B. quartz
C. feldspar
D. mica
E. calcite
Answer: B
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Which of the following terms refers to a strong storm that develops over water, poleward of the polar front?
A. nor'easter B. upslope low C. lee-side low D. polar low
In Massachusetts and other states, closed landfills are for the first time being used for
A) producing electricity by incinerating solid wastes. B) generating electricity from acres of photocells covering the landfill surface. C) extraction of recyclable materials. D) disposal of radioactive waste from nuclear power plants.
Ocean spreading centers are highlands on the ocean floor, sometimes referred to as submarine mountains. Oceanic crust worldwide is about the same thickness so isostasy would suggest the ocean floor should be as flat as Kansas
Which of the following statements best describes the origin of these submarine mountains? A) Compression at the ridges produce local uplift along the ridge axis. B) The ridges represent upwelling zones from the core which produces a bulge at the earth's surface. C) The mantle beneath the ridges remains hot for millions of years producing an elevated region along the ridge axis because hot rocks are lower density than cold rocks. D) The ridges are sites of young volcanos that produce high topography on the sea floor, like Hawaii.
Beginning in an equatorial tropical rainforest, you travel north to the arctic tundra. Name and describe all of the terrestrial biomes you pass through on your journey.
What will be an ideal response?