hanna asked in Science & MathematicsBiology · 1 decade ago

why are rocks red biology question?

I believe its because of plate techtonics but can someone maybe describe the reason why to me thanks

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  • Anonymous
    1 decade ago
    Favorite Answer

    It is usually because the rocks have iron in. When this iron becomes oxidised it turns red, or reddish; purple, orangey etc.

  • 1 decade ago

    if rocks or dirt is red its because theres iron in it

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