Much of the gulf of mexico is underlain by thick layers of salt that formed in a small ocean basin like the red sea, which formed from sea floor spreading. this salt is a good example of

Hydrogenous sediments

Explanation:

Hydrogenous sediments are known as the sediments that tend to directly precipitate from the water sources. Examples of such hydrogenous sediments are evaporites and Iron-manganese nodules etc. Places where these evaporites tend to usually accumulate mostly includes the Red Sea and also the Persian Gulf. The salt deposits are mostly formed in isolated emptied lake basins all over the world.

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b) the bill goes to the president.

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