Land becomes desert after all trees are cut down because _________.
B. there are no larger trees to keep rain and protect the topsoil
Đáp án B
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The passage mentions that the tropics differ from the Earth’s polar regions on which of the following ways?
All of the following words (in the first paragraph) are defined in the passage EXCEPT _____.
The underlined word “it” in the first paragraph refers to _______________.
The underlined word “prevailing” in the second paragraph is closet in meaning to _______.
According to the passage, most ocean water evaporation occurs especially __________.