Question

why are sand and gravel spread on wet ground​

Answer 1

Explanation:

Because When SAND and GRAVEL mixed to form CONCRETE

Answer 2

Answer:

Gravel provides the strength to support loads, particularly in wet weather. The sand and silt fill the voids between the gravel and give stability. The clay binder holds the material together which allows a sand road to form a crust and shed water and remain bonded during periods of dry weather.

Explanation:

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