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 water enables marine s zgihxr3zxbq55ju *5q2zp* 59fgc/k animals such as0 +v2d2aw p(dsq6when the ringed seal (Pusa hispida) to stay afloat in water withoudw(sp+w2haq6n d v0e2t 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 becm**v a1 w:ijnpause water has a relatively high density compared to many substances which increases the buoyancy forces it exerts on obj * wmjp:1inv*aects 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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