Which Property of Water Presents a Drawback in Terms of Water

Multiple Choice

Which property of water presents a drawback in terms of water pollution?

A) Water's high melting and freezing point.
B) That water in the form of ice is less dense than liquid water.
C) Water's high heat capacity (i.e., ability to absorb\ a great deal of solar heat without substantially increasing in temperature) .
D) Water's ability to be a universal solvent.