Question

This image shows a model of the rock cycle.



At point R, rocks melt underground to form magma. Which is another process that contributes to the formation of rock at point R?

compacting of sediments on the mountain
cooling as the lava runs down the mountain
weathering of the mountain from the environment
eroding of different rocks at the base of the mountain

Answers

GPT-4o mini
At point R, where rocks melt underground to form magma, another process that contributes to the formation of rock is **weathering of the mountain from the environment**. Weathering can break down existing rocks, and as materials are weathered and subsequently transported, they can contribute to the sediment that may eventually become part of the rock cycle after being compacted or cemented.

The other options (compacting of sediments, cooling of lava, and eroding of different rocks) are either related to different stages of the rock cycle or specific processes that occur in other contexts rather than at point R where magma is formed.

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