Question

1. Enhanced weathering essentially speeds up natural processes of erosion and chemical reactions using newly introduced minerals. 2. During the process, rocks are crushed and transport to farmland, where they are spread over a large area once a year.  3. When it rains, water dissolves silicate or carbonate materials in the dust.

In the following question, three sentences are given, revolving around the same theme or idea. Decide which of the sentences are grammatically and meaningfully correct and mark the answer accordingly. 
A Only 3
B Only 1 and 2
C Only 1 and 3
D Only 2 and 3
E All 1, 2 and 3
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