#RFB-11001039Reading: Fill in the BlanksAcademic,CoreMedium
Weathering of Rocks
Official Question Material
Prep: Varies
The weathering of rocks [blank] through both physical and chemical processes. Physical weathering is the breakdown of rock into smaller pieces without altering the chemical [blank] of the rock. Chemical weathering occurs when the breakdown of rock [blank] from chemical change in the rock, or when the rock is dissolved away. Plant growth, aside from physically breaking up rocks, can also change the environmental chemistry [blank] to chemical weathering.
Sample Answer & Audio Transcript
The weathering of rocks occurs through both physical and chemical processes. Physical weathering is the breakdown of rock into smaller pieces without altering the chemical composition of the rock. Chemical weathering occurs when the breakdown of rock results from chemical change in the rock, or when the rock is dissolved away. Plant growth, aside from physically breaking up rocks, can also change the environmental chemistry contributing to chemical weathering.
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