It is B, <span>In fact, water will sink as it cools until a certain point. If I recall correctly this is around 39 F. As the temp gets lower than that water actually begins to expand and becomes less dense. This is why ice floats, which we should all be thankful for. If ice didn't float than all water on earth would likely freeze solid and life would have probably never evolved past small single celled things.</span>
I believe the answer is a.
Answer:
Conservation of water can ensure that supplies of fresh water will be available for everyone, today and tomorrow.
Explanation:
Water conservation involves changing habits. Since many of these habits have evolved over a lifetime, they can prove difficult to alter. People can become active in conserving water by starting simply, then gradually taking more advanced steps to reduce water consumption. The simplest habits involve turning off water whenever it is not being used. When water is needed for rinsing dishes, it can be held in a sink rather than allowing it to flow unused down the drain
I HOPE IT HELPS !!!!!!!!!!!!!!!
C. Gobi desert
Is located in east Asia