Plants are used in a variety of industries, such as

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

What are the student's observations and inferences before he starts his investigation?

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give