The answer to the question is the total surface area increases and chemical composition changes. Consider the breakdown of rock into smaller pieces, these fragments vary from huge rocks to smaller sizes. As they are so crushed and broken they tend to occupy much of the surface area than when its just a huge rock.
Answer:
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Explanation:
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plate boundary can produce volcanoes
When to talk about the plate tectonic it sound the same as our continents as we see in the ancient days you were having two continents which is laurasia and Gondwanaland
I think that they can either use fossils or age of rocks
