== == No, some rocks are quite dull from weathering processes.
The rocks are frozen solid therefore there Sharp edges are not lost
Spears were invented by prehistoric man, fashioned from sharp sticks, sharp bones and sharp rocks.
Big sharp rocks can be. Because big rocks is hard and it can break it's hard bone. While big sharp rocks can hurt them more than the big ones. Because big sharp rocks can point hard the crocodile's skin and it can break it's hard bone.
Breccia
Either they didn't or they used rocks or they burnt it till it fell off.
Early man used sharp rocks as chisels and sharp sticks as spears.
Rocks that have sharp edges are often formed from the cooling and solidification of magma. These cooling processes can occur quickly, resulting in the formation of sharp edges and angular shapes. Some examples of rocks that may have sharp edges include basalt, obsidian, and flint.
It is pronounced "rocks sharp-ee."
They used rocks as hammers and Sharp rocks and sticks as weapons. Your welcome students.
An octupus has slimy skin that protects it from any sharp rocks.
they smashed rocks to make flacks and they were sharp
rocks,sharp edges,and animal bones.