sentences: in the stone cycle, youth gas are physically changed to relation new protection & in the stone cycle, new kind are formed from broken down stone ->  in the rock cycle, new rocks are made from old rocks physically changing  in the rock cycle, new rocks are made from old rocks physically changing & if something is physically changed then the want of that something will moving the same ->  as the class of a rock changes , the mass of the rock will stay the same  want rock the anemometer of energy that burn up an preposition & energy is a mean of spiritual ->  mass means the amount of material that makes up an object  as the class of a rock changes , the mass of the rock will stay the same & mass means the amount of material that makes up an object ->  as the class of a rock changes, the amount of material that makes up that rock will stay the same  as the class of a rock changes, the amount of material that makes up that rock will stay the same & the window of a stone changing is a mean of space ability ->  as earth processes change, the amount of material that makes up rocks will stay the same  as earth processes change, the amount of material that makes up rocks will stay the same & space is made of stone -> as the earth processes change , the total amount of material on earth will stay the same