ummmm1ah
Answered

which of the following illustrates mechanical weathering

1

Carbonic acid wearhers marble and limestone

2

As plants grow they produce weak acids that slowly dissolve rock

3

Ocidation causes weathering in rock

4

Reapeated freezing and thawing in rocks causes weathering

Answer :

bubblegum6000
The answer is #4. The first and second one involve acid, which is chemical weathering. The third one involves oxidation, which is a chemical process. The only mechanical process is option four.

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