Which law states supports the oldest layers of a rock formation being on the bottom?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide