The sun
The rock cycle is how one type of rock can be changed into another type of rock.
rocks can change from one type of rock to another, or not change at all
it is gravity
The Rock Cycle
found in many places this green rock is actually a green cristalized lava glass.
Logitech makes one:
No one. It is a large rock on the shoreline. In fact, historians aren't sure that it has any significance. This most likely was another 18th century fable taken as history. Makes a good story.
Explain the path of one type of rock changing into another. Your path should include at least one intermediate form of rock
you answer
Metamorphic rock cycle
metamorphosis
spirulina is a green/blue algae that makes up one of the main ingredients... when you blend it the chlorophyll is released and makes the drink green.