Difference between revisions of "Chalk"
| Line 1: | Line 1: | ||
| − | A [[sedimentary rock]] made form the [[shell|shells]] of dead sea creatures and containing [[Calcium Carbonate]]. | + | A [[sedimentary]] [[rock]] made form the [[shell|shells]] of dead sea creatures and containing [[Calcium Carbonate]]. |
Revision as of 11:06, 4 April 2019
A sedimentary rock made form the shells of dead sea creatures and containing Calcium Carbonate.