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10. Which sentence best states the main idea of the passage?
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11. The author’s primary purpose is to
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12. Identify the relationship of parts within the following sentence.
“Today grasslands probably occupy less than 12 percent, for most of them have been plowed under for cropland and degraded by overgrazing.” (lines 5-6).
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13. Identify the relationship between these sentences from paragraph three. “The grass plant consists of leafy shoots called tillers. Each shoot has a leaf-like blade or lamina, the base of which has a tube-like sheath.” (lines 14-16)
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14. In this passage, the author shows bias in favor of
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15. What is the overall tone of this passage?
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16. “Humans have foolishly broken up grasslands with the plow and converted the most productive of them into the breadbaskets of the world.” (lines 6-8) The above sentence is a statement of
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17. A conclusion that can be drawn from the first paragraph is that
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18. Throughout the passage, overall, which type of support is offered to describe the characteristics of the grasslands?
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