Multiple choice

Which is TRUE about sedimentary rocks?

  1. limestone is made of nitrate minerals

  2. limestone readily fizzes with acid and limestone is made of carbonate minerals

  3. the red of sandstone is usually due to calcium compounds

  4. hard wearing, not easily weathered, even by acid rain

  5. usually non-porous
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

yes, it is true about limestone which is a sedimentary rock.

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