to melt the ice
igneous rock
Rock salt is used to remove ice from sidewalks in the winter, because the freezing point of salty water is much lower than that of pure water. Salt is commonly used on icy roads, but alternative methods are being investigated in some areas.
Igneous Rock.
Where: Rock Bluff. Time of Weather: Fall or Winter
harden?
The rock that forms when layer of particles settle on top of each other and harden is a sedimentary rock.
It has to harden
Igneous Rock.
Sedimentary rock.
Sedimentary Rock Not Igneous or Metamorphic Rock
A Petrified fossil dissolved minerals replace and remains of an organism and then harden to form rock.
it turs to rock