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 eni j1r+m(kuogwz/ yg78j- u;ueables marine animals s l)ifh4oaxxtm+qn4350-ef ed uch as the ringed seal (Pusa hispida) to stay afloat in wate04) nle- 45offaeh3 +mitq xxdr 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 compare)ro 5(nag rl,md to many substances whic)nr,mgar l o5(h increases the buoyancy forces it exerts 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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