How do meridional and zonal patterns of upper-air flow affect large-scale weather?
What will be an ideal response?
Answer: Upper-level patterns with strong north-south components (meridional flow) cause the formation of midlatitude cyclones downwind of trough axes (where vorticity decreases). Because they have no pronounced vorticity changes, zonal patterns hamper the development of intense cyclones and anticyclones. They are therefore more often associated with a large-scale pattern of light winds, calm conditions, and no areas of widespread precipitation.
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Which of the following statements about tar sands is true?
A) Most of Canada's petroleum reserves are in the form of tar sands. B) Most of the petroleum reserves in North Dakota are in the form of tar sands. C) Hydrofracking is used to extract oil from tar sands. D) Deposits of tar sands are generally found in sandy deserts such as the Arabian Desert in the Middle East.
Muhammad's successors organized followers into armies that extended the region of Muslim control over an extensive area of Africa, Asia, and Europe
Indicate whether the statement is true or false.
The potassium-argon dating method is applied to dating potassium feldspar in rocks. But it is important to keep in mind just exactly what the resulting numbers mean. For each example, indicate which geologic process or event is being dated:
• A potassium-argon date of 2.3 million years on potassium feldspar in a volcanic rock • A potassium-argon date of 535 million years on potassium feldspar in a metamorphosed volcanic rock • A potassium-argon date of 164 million years on potassium feldspar in a clastic sedimentary rock What will be an ideal response?
If a nonrenewable resource such as oil suddenly becomes scarce while demand remains constant, the ________
A) price of the resource would decrease B) price of the resource would remain unchanged C) price of the resource would increase D) demand would cause the supply to increase