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Rocks break down as they interact with air and weather - Weathering
Density differences and other factors cause metals to concentrate in igneous rocks - volcanic activity
Seawater heats up from contact with hot rock, metals dissolves in it, the water rises and contacts cooler water, causing metals ores to settle on the ocean floor - hydro thermal energy
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First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes.
Answer:
Rock 1 is older than Rock 2, and the mineral grains became smaller over time.
Explanation:
i just took the test.
That would be a, chemical to mechanical