本题目来源于试卷: Stratospheric Ozone，类别为 IB环境系统与社会
[单选题]
List the main greenhouc 6o5wzrcfc72lw ozf;r0i6 t0sejev30598w0u r kpql bm gases.
A. Example 1 is ozone,Example 2 is carbon dioxide Example 3 is methane
B. Example 1 is water vapour ,Example 2 is carbon dioxide Example 3 is methane
C. Example 1 is water vapour ,Example 2 is carbon dioxide Example 3 is nitrogen dioxide
D. Example 1 is ozone,Example 2 is carbon dioxide Example 3 is nitrogen dioxide
参考答案: B
本题详细解析:
The main greenhouse gases are water vapour, carbon dioxw:+;s eat ojlve8j i.)ide and methane.
Whilst ozone is a greenhouse gas, it is not a main o ol;.j+ji) we8ea tsv:ne. This means options A and D are incorrect. Tropospheric ozone plays a bigger role in smog and stratosphere ozone in protecting life from UV radiation from the sun.
Nitrogen dioxide is a pollutant produced when burning fossil fuels and is part of photochemical smog. It is not a greenhouse gas, so options C and D are incorrect.
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