Very short-range forecasts often utilize the ensemble forecasting method
a. true
b. false
b
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In which of the following locations do winds blow slightly inward?
A. around surface low-pressure centres in the southern hemisphere B. at the poles in the northern and southern hemispheres C. around surface low-pressure centres in the northern hemisphere D. around surface low-pressure centres in the northern and southern hemispheres
Judge the following sentence according to the criteria given below: It is easy to pinpoint where nonpoint source pollution originates BECAUSE it comes from many different locations
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct but the reason is incorrect. D) The assertion is incorrect but the reason is correct. E) Both the assertion and the reason are incorrect.
What is the primary reason an increase in glaciation on land would cause sea level to fall?
A) The temperature of the oceans decreases from cold glacial streams. B) An increase in snow cover causes the atmosphere to heat up, which causes more evaporation. C) Glaciers depress the land surface, which pulls sea level down with it. D) Glaciers tie up large volumes of water that would otherwise be in the sea.
A stream channel is widened by erosion, but stream discharge is unchanged. Which of the following statements must be true?
A. Depth decreased and/or velocity decreased B. Depth decreased and/or velocity increased C. Depth increased and/or velocity decreased D. Depth increased and/or velocity increased