TOEFL Listening: TPO-TOEFL听力TPO - L103Y6IM0Z69VIL2R$

What is the professor's opinion about the use of landfills to manage solid organic waste? A. Landfills should be expanded to accommodate more types of waste. B. Landfills are not a suitable long-term solution for solid organic waste disposal. C. Landfills should be built farther away from population centers. D. Landfills would be an effective means of recycling solid organic waste from farms.