The Rock Cycle

One difference that we have to know is what is the Difference between rocks and minerals.
Is a mixture of minerals , that is why is hard to know how many an d what kinds of minerals are in a rock.

While a mineral is compose of one kind , it is poured.

Rock Cycle:

All start when eruption in take place in a volcanoe , the lava hardens into solid .
Then other pieces of rocks felll down and accumulate there and it forms sedimentary rock.
Then it compress and then this rock is change by so much heat or pressure it chnage in another type of Rock