If you measure its mass you will have the answer.
Rocks are considered matter because they are made up of mass. A rock is a type of solid matter, which does not change shape.
Because...
solid
you can pretty much buy them anywhere but if you want it cheap that's another matter
matter
Yes
It doesn't matter what the Rock is ...... all you need to know is to smell what the rock is cooking
Yes, they are all forms of matter.
soil formation occurs when weathered rock and organic matter are mixed together.
A rock is a solid in the states of matter because it never changes its volume or mass. Also its molecules tightly packed together.
Organic rock
Organic rock