Rocks are used as a source of protection. For instance, in my country Nigeria in the 1500's, whenever war ensues, our forefathers create big holes inside the rocks to hide their wives and kids and goods while they plung ahead into war with youths and adult of fighting age group.
Can be used in the making of houses.
To build houses, to make cement, as weapons, to start fires, to make metals, to cook on, to make jewelry, to tell us about the history of the earth, as musical instruments, to grind food, to wash clothes, to bury the dead, as ballast in ships and to make roads. I hope those are enough uses.
Rocks can be use for making building or if there is a brook and you need rocks to cut if off
Early uses of rocks were to sharpen sticks and make arrow heads for hunting purposes.
There are many different types of Rocks such as; Granite, Limestone,Crystal, Fossils, Basalt, Sheared Gneiss, Sandstone, Marble, Chalk, Pitchstone, Lava, Slate, Cong Lo Marate, Garnet Amphibolite, Gabro, Gibstone and many many more .
The uses of rocks are in my country trinidad.we use it for building walls
You can use rocks by pencils
I don't know you figure it out?