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>
<span>Answer:
Mercosur try to improve trade in South America by expanding trade, improve transportation, and reduce tariffs among member countries.</span>
It peaked in the late 18th Century, <span> when the largest number of slaves were captured on raiding expeditions into the interior of West Africa.
In short, Your Answer would be: Option D
Hope this helps!</span>
