Section 4 (A)

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Grade 7 Science Note on Section 4 (A), created by Oluwaseun Oyedele on 23/04/2020.
Oluwaseun Oyedele
Note by Oluwaseun Oyedele, updated more than 1 year ago
Oluwaseun Oyedele
Created by Oluwaseun Oyedele over 5 years ago
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Water, ice, acids, salt, plants, animals and changes in temperature can all cause weathering. Mechanical weathering causes rocks to crumble. Chemical weathering changes the molecular structure of a rock. Biological weathering is weathering due to living things. Human activity can speed up weathering. *Don't forget to check out the vocabulary for section 4A*

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