One of the most important insect pollinators has been ________
A) hornets
B) hummingbirds
C) fruit-eating bats
D) honeybees
E) wasps
Answer: D
Environmental & Atmospheric Sciences
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Coal forms from
A. evaporation of algae-rich lakes. B. organic-rich volcanic ash. C. thick tar that solidifies to rock. D. plants buried in sediment.
Environmental & Atmospheric Sciences
A keystone species ________
A) is an example of amensalism B) is typically an herbivore C) has a disproportionately large impact on the stability of an ecosystem D) typically reduces overall biodiversity of an ecosystem
Environmental & Atmospheric Sciences
Chlorofluorocarbon (CFCs) molecules can stay in the stratosphere for ____.
A. 1-5 years B. 10-20 years C. 50-75 years D. 65-385 years E. 500-1,000 years
Environmental & Atmospheric Sciences
When referring to hose, what does the "L" stand for "LDH"?
a. light b. low c. large d. limited
Environmental & Atmospheric Sciences