Which of the following statements about deforestation is NOT true?
A. At present deforestation rates, 50 percent of tropical species could be extinct by 2042.
B. Tropical forests make up only 6 percent of the world's land but are home to 50 to 90 percent of all terrestrial species.
C. Reforestation in North America in the years since 1920 has no measureable effect on the size and health of the continent's forests.
D. About 90 percent of the world's forest loss is occurring in tropical forests.
Answer: C
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