A 1% drop in atmospheric ozone is correlated with a ________ increase in the number of skin cancer patients.
A. 25%
B. 50%
C. 6%
D. 1%
Answer: C
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During every energy transformation, it can be said that
a. the entropy of the universe increases. b. the entropy of the universe decreases. c. there is an increase in the free energy of the universe. d. there is a change in the total energy of the universe. e. the system becomes more organized.
One way in which deforestation contributes to global climate change is that the conversion of forest to cropland or
pasture ____. a. decreases the amount of methane released by microbes b. increases the amount of nitrogen oxides in the air c. decreases the amount of sulfur dioxides in the air d. increases the rate at which carbon is taken up by plants e. decreases the rate at which carbon is taken up by plants
Which of the following correctly illustrates the sequence of the origin of modern groups of plants?
A) gymnosperms, ferns, bryophytes, angiosperms B) bryophytes, ferns, gymnosperms, angiosperms C) bryophytes, ferns, angiosperms, gymnosperms D) ferns, gymnosperms, angiosperms, bryophytes
An antiretroviral regimen usually consists of two reverse transcriptase inhibitors and a(n)
A) reverse transcriptase inhibitor. B) protease inhibitor. C) protease inhibitor or integrase inhibitor. D) integrase inhibitor. E) protease inhibitor, integrase inhibitor, or reverse transcriptase inhibitor.