| Answer | Crossword Clue |
|---|---|
| RUSTS | Oxidizes in the presence of water |
| HEMATITE | Mineral found on Mars in 1998 that suggests the former presence of water |
| Answer | Crossword Clue |
|---|---|
| RUSTS | Oxidizes in the presence of water |
| HEMATITE | Mineral found on Mars in 1998 that suggests the former presence of water |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.