Question

Answer the following questions in about 150 words.
(iii) Are physical and chemical weathering processes independent of each
other? If not, why? Explain with examples.

Answer 1

Are physical and chemical weathering processes independent of each  other

• No, Physical and Chemical weathering processes are not independent of each other.
• The contents that are present on the rock or not changed during the mechanical or physical weathering.
• The structure of the rock gets changed during the physical weathering process.
• For instance when water enters the rock through some cracks or holes it gets freezes there.
• This will result in the making the holed larger and larger.
• The physical damage of rocks is not the result with the chemical weathering.
• The chemical composition of the rocks changes due to some chemical reactions taking place inside a rock.
• Chemical weathering can make a rock more susceptible to physical weathering.
• Without some physical stress the chemical weathering doe not take place and hence they are dependent on each other.

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