When rocks undergo weathering, they become magma.

igneous rocks.

sediment.

volcanic cones.

Sediment

Explanation:

Because weathering breaks down rocks, it has nothing to do with lava, which all the other ones do.

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sediment

Explanation:

Weathering (breaking down rock) and erosion (transporting rock material) at or near the earth's surface breaks down rocks into small and smaller pieces. These smaller pieces of rock (such as sand, silt, or mud) can be deposited as sediments that, after hardening, or lithifying, become sedimentary rocks.

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not only is it colder, it also becomes darker, less salty, and more dense.