The average number of billion dollar weather events increased almost ________ during the last 7 years (2011-2016) as compared to the previous 40 years (1980-2010).

A. 2 times
B. 10 times
C. 3 times
D. 7 times


Answer: C

Environmental & Atmospheric Sciences

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a - traction b - base level c - saltation d - turbulence e - meandering

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________ soils often are rich in a black organic rich plant residue called peat

A) Forest B) Rainforest C) Grassland D) Desert E) Wetland

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Responsible stewardship in the coming decades will require global energy policies that promote

A) both sustainability and technological efficiency. B) productivity and economic prosperity in developing nations. C) the development of abundant and inexpensive fossil fuels such as shale gas. D) additional exploration of shale oil and natural gas resources.

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Chemical weathering would be most effective ________

A) in a warm, wet climate B) in a cold, dry climate C) in a warm, dry climate D) deep beneath a mountain range

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