| Answer | Crossword Clue |
|---|---|
| coastline | a line that forms the boundary between the land and the ocean or a lake |
| benthos | the biogeographic region that includes the bottom of a lake, sea, or ocean, and the littoral and supralittoral zones of the shore |
| mechanochemical | of or relating to mechanochemistry, the branch of science that deals with the relation between mechanical and chemical phenomena and the interconversion of these forms of energy |
| thermodynamics | The branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy |
