Which of the following properties is considered the “true color” of a mineral?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

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

Several billion years ago which gas was the least prevailant in the atmosphere