68. Lakes freeze in cold countries in winter, leaving the water underneath at A.0°C B.0°F C.4°C D.4°F
Option C Solution: Freezing takes place at he top of the lake this is because water colder than 4 degree celsius usually starts to expand and get less dense as it gets colder. It is the liquid with more density that settles at the bottom while the less denser floats above it.
