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(a) Differentiate between mechanical and chemical weathering
(b) State three factors which influence weathering

Answer Text:
a) Mechanical weathering is the physical break up of rock material without any
alterations in its chemical composition while chemical weathering involves changes
in the chemical composition of minerals making up the rock. It’s the actual decay or
decomposition of rocks.
b) ) - Climate.
- Topography
- Nature of the rocks.
- Plants and animals.
- Time factor.