Which statement about the solar nebula is false?
A) It is formed as gas and dust spin faster and faster.
B) It will eventually become a Sun.
C) It will form stars and planets.
D) It requires the Sun's energy to spin.
Answer: D
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Which of the following conditions describes what the decline in the health of Germany's forests has been attributed to?
A. acid precipitation B. erosion caused by excessive lumber cutting C. urbanization D. increased CO2 concentrations and global warming
Limestone is a type of ________ rock that forms when ________
A) igneous; lava cools B) igneous; magma cools C) sedimentary; broken fragments of rock are deposited in a water environment and are then cemented together. D) sedimentary; calcium carbonate precipitates, or organic material containing calcium carbonate accumulates in a water environment
Freshwater is an example of a(n) ____
a. marine energy resource b. biological resource c. nonextractive resource d. ecological resource e. physical resource
Which of the following pairs is incorrect?
A) Water rationing - Conservation
B) Restrictions on oil drilling in the arctic - Preservation
C) Yosemite National Park - Preservation
D) Fuel efficiency mandates - Conservation
E) Recycling - Preservation