Which fuel source has declined the most since the 1900s?
A) coal
B) hydropower
C) wood
D) geothermal
E) natural tas
Answer: C
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Can parent rock features such as sedimentary structures and fossils survive low-grade metamorphism?
A) Yes, because the shells of the organisms are strong enough to withstand directed pressure. B) No, because the sediments and organic materials will be melted. C) Yes, because such features can withstand low temperatures and pressures but will be destroyed in higher metamorphic grades. D) No, because even low-grade pressure is too much for such delicate features.
Most of the water evaporated from the oceans returns directly to the oceans in precipitation.
Answer the following statement true (T) or false (F)
The soils in the central part of the United States used for growing wheat, corn and soybeans are classified as ________ soils
A) forest B) rainforest C) grassland D) desert E) wetland
The climate of Portland Oregon is best characterized as
A) Mediterranean, hot summer. B) marine west coast, cool summer. C) moist midlatitude, warm summer. D) Cwa-hot summer and brief and dry winter. E) midlatitude steppe.