本题目来源于试卷: Unity and Diversity A.1 Water，类别为 IB生物学
[单选题]
Which property of watoj )n4x:ptr )ds);w wher enables marine animals such as the ringed sead4xg6 ya 9bey pth-2+xxh10irl (Pusa hispida) to stay ahgerax h dy+itx9x y0p4-2b61float in water without expending large amounts of energy?
A. Thermal properties
B. Specific heat capacity
C. Viscosity
D. Buoyant force
参考答案: D
本题详细解析:
Choice D is correct because water has a relatively high density b2ow m* gw2rqfc7jc8 3compared to many substances which increases the buoyancy forces it exerbwr jf7qg 8 3c*w2o2mcts on objects submerged in it.
Choice B is incorrect because specific heat capacity refers to how much energy is required to raise the temperature of a unit of mass of a given substance by one degree Celsius. Choice C is incorrect because viscosity refers to the resistance of a fluid to an object moving through it or to flow of the fluid itself.
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