Why is sand in short supply?

in life •  8 years ago 

The world uses 40 billion tons of sand each year to build cities and towns, but global reserves are running low. We find out why.

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life story
8 years ago by

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      ·  8 years ago 

    I like what you write. It's very interesting. I was upvote you, expect you also upvote and follow me.
    I will keep track of you long upvote you. Please help each other! Thankyou

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        ·  8 years ago (edited)

      Thank, I will absolutely do that!

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