Sand is mined from beaches and valleys because it is an important ingredient for ______, which is used to build dams, homes, roads, and office buildings

Respuesta :

Answer:

concrete

Explanation:

Mined Sand is an important ingredient for making concrete to build dams, homes, roads, and office buildings.

What is a mined sand?

These are sand that extracted through an open pit or mined from beaches, inland dunes or dredged from ocean for different purpose.

These kind of mined sand have strong composition of making a strong concrete than the conventional sand that on the surface on the land.

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