Question

Charecteristics of chemical weathering

Answer 1

Moving waters, such as rivers and streams, are the most important natural agents of erosion. Whenever it rains, water washes over the land, picks up loose soil, and carries it away. Water also washes weathered rocks (rocks altered through a process called weathering) into rivers and streams.

Answer 2

⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
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Chemical weathering➙ The breaking down of rocks by chemical reactions.

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❖ Chemical weathering involves a chemical change in at least some of the minerals within a rock. 

❖ Carbonation is another type of chemical weathering.

❖ This type of weathering is important in the formation of caves.

❖ Carbonation is the mixing of water with carbon dioxide to make carbonic acid. 

❖ It  is caused by rain water reacting with the mineral grains in rocks to form new minerals (clays) & soluble salts. 

❖ These reactions occur particularly when the water is slightly acidic.

❖ Chemical weathering wears away rock via chemical reactions that alter minerals.


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