Which of the following is not a problem of deforestation?
1.It will reduce the future production of fossil fuels.
2.It reduces primary productivity by eliminating photosynthesizers.
3.It increases global warming by increasing radiation reflection.
4.It increases global warming through carbon dioxide liberation.
1
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Examine Figure 48.5 in your text. According to this figure, mean temperature changes from 1940–1980 and 1999–2008 have been greatest:
A. in Australia. B. in southern Africa. C. near the equator. D. in South America. E. in the northern hemisphere.
The average American uses as many resources in one day as 370 Ethiopians
Indicate whether the statement is true or false
Which of the following pairs is mismatched?
A) Rickettsia — intracellular parasite B) Brucella — gram-negative aerobic rods C) Francisella — gram-positive facultatively anaerobic pleomorphic bacillus D) Bacillus — gram-positive endospore-forming rods E) None of the pairs is mismatched.
Answer the question using the accompanying figure. The molecule shown is held together by ____
a. polar covalent bonds b. van der Waals forces c. ionic bonds d. hydrogen bonds e. nonpolar covalent bonds