本题目来源于试卷: Atmospheric Structure & Function，类别为 IB环境系统与社会
[单选题]
State which of the folloxly p+60ukg 7.y2ba kkw4w15 qeci vuetlu 5fjy80.vk9h (.gmling statements describes the troposphere.
I.
It is the layer where most weather occurs.
II.
It goes from about 10km from the Earth’s surface to about 50km from the Earth's surface.
III.
It contains 50% of the air in the atmosphere.
A. I only
B. I and III only
C. II and III only
D. I, II and III
参考答案: B
本题详细解析:
Statements I and III are correct. St0brls q0zrj; 8atement II is the altitude range for the strr ls0z qj0;rb8atosphere, so it is incorrect. Option B is the correct choice.
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