A mineral's resistance to breaking, bending, or cutting is defined as:
A) Fracture
B) Cleavage
C) Tenacity
D) Specific gravity
Answer: C
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The amount of solar heating can increase from
A. a huge volcanic eruption that adds ash and dust to the atmosphere. B. a decrease in sunspot activity and energy output from the Sun. C. a decrease in snow and ice cover on Earth's surface. D. a decrease in the amount of greenhouse gases.
The world's oceans play a role in reducing global warming by ________
A) absorbing surplus heat energy B) increasing oceanic primary productivity C) moving carbon dioxide and nutrients from the deep ocean to the surface ocean D) removing carbon dioxide and sequestering carbon dioxide above the thermocline E) trapping carbon dioxide in sea ice
If the wind speed doubles, the wind force also doubles
Indicate whether the statement is true or false
Steppe soils are usually low in organic matter
Indicate whether the statement is true or false