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<span>Diamonds cam form in the mantle because </span>of the impact of the weight<span> of the overlying </span>rock<span> which bears down on it, in combination with the high temperature of the area where they are formed (about </span>100 miles beneath the surface). Therefore, the correct answer is option D. <span>The weight of the rocks above the mantle results in high pressure.</span>
A line segment is a part of a line that usually has two end points (like dots) at the end of each side, or can just be shown as a part of a line. Unlike a line, line segments don't go on for forever and ever! (Lines will usually be shown with two arrows on both sides, instead of two endpoints.)