Put the following events of septic system operation in the correct order of . household sewage is piped into septic tank. b. wastewater containing suspended material flows into drain field. c. purified wastewater percolates into groundwater or evaporates from soil. d. bacteria decompose organic material in well-aerated soil. e. heavy particles settle out of water and bacteria decompose grease and oil.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

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

Organize the word parts according to where they appear in a medical term.