| Answer | Crossword Clue |
|---|---|
| petrology | The branch of science concerned with the origin, small-scale structure, and composition of rocks |
| petrology | the geological study of rocks |
| Answer | Crossword Clue |
|---|---|
| petrology | The branch of science concerned with the origin, small-scale structure, and composition of rocks |
| petrology | the geological study of rocks |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.