Which biome is characterized by little rainfall, low grasses and shrubs, and cold temperatures?
A) savanna
B) tundra
C) deciduous forest
D) desert
E) grasslands
B
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"Tornado Alley"
A) stretches from the southern Plains to the lower Great Lakes. B) is the nickname for the Storm Prediction Center in Norman, Oklahoma. C) is located in Florida. D) is a strip running from Kansas to western Pennsylvania.
What is an advantage of using coal as an energy resource?
A. Coal mining involves minimal land disturbance. B. Coal mining and burning is inexpensive when environmental costs are not included. C. Coal burning produces less CO2than other fossil fuels. D. Coal is clean-burning. E. Coal mining causes minimal damage to habitats.
Approximately half of current migrants to Canada come from:
A) Asia B) Great Britain C) the Caribbean Basin D) Mexico E) United States
The species H3O+ can be called which of the following?
A) heavy water B) hydrogen ion C) hydronium ion D) all of these