In a food chain Grass → Grasshopper Mouse Owl, mouse is the a) primary consumer
b) secondary consumer
c) top consumer
d) producer

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

2. which is the last step in the scientific method?

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?