Answer:
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The CRUST is made up of all the earth's land and ocean floors
There are two types of major weathering- chemical weathering and physical weathering.
In this case,physical weathering is when physical forces break solid rock into smaller sediments.
For example,granular disintergration,when the rock expand and contract at alternate rate due to temperature and the different minerals, the rock would break up into smaller sediments.
And in this case,temperature is one of the physical factor,while physical factor also include stress and pressure etc.
Hope it helps!
