本题目来源于试卷: Climate Change - Mitigation & Adaptation，类别为 IB环境系统与社会
[单选题]
Nutrients are constantr6wn/*fsid:m29sq pa b3o;hylfa ;x :ns 39k*ispwka*kl)9dd y cycled in ecosystems, including in the atmosphere as a gask*sa9pkk w3df ;9nlxd : *a)iseous form.
State which element is not found in the atmosphere.
A. Carbon
B. Sulfur
C. Nitrogen
D. Phosphorus
参考答案: D
本题详细解析:
Unlike the other elements, phosphorus l0*i(eef sji 1ok u9 2x,)mhtcis not found as a gas.
Carbon exists as a gas in the atmosphere in the form of carbon dioxide, carbon monoxide, and methane (Option A).
Sulfur can be found as sulfur dioxide which mainly comes from burning coal (Option B). Nitrogen gas is foundcmoteiul0 ,1 2sh9(kxfji *e) in the atmosphere and oxides of nitrogen are emitted during the combustion of fossil fuels. (Option C)
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