本题目来源于试卷: Water Cycle & Oceanic Circulation，类别为 IB环境系统与社会
[单选题]
Identify what is truejejs k io.a)h*,n :ro6,tpxt4 a *yf6.:lj u68uzsxj 6/5ceio xviin m,bout ocean circulation.
A. Cold currents move away from the equator and warm currents move away from the poles.
B. Polar cold waters contain denser salt water, which sinks to the ocean floor.
C. Ocean circulation is only driven by differences in temperature.
D. There is no relationship between ocean circulation and climate.
参考答案: B
本题详细解析:
Cold currents move towards the equator and warm currents move towards the pole m n60y.1xq hielnfw0:s ,hfi)s so option A is not correct.
The cold water in the polar areas contain denser and saltier sea water which sinks to the ocean floor so option B is correct.
Ocean circulation is driven by differences in temperature and salinity so option C is not correct.
Ocean circulation and climate are tightly related as the ocean conveyor belt distributes heat around the world and thus affects climate. :x0f y.wi10q fl nihm6e) ,shnThis means option D is not correct.
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