Which statements are true? Check all that apply.

What are some things that limit population growth?

Did you know that a blue wales tongue weighs more than an elephant?

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