Question: How can you get rid of dust mites in pillows and bedding?
Option 0: Airing out bedding is even more effective than washing when it comes to killing dust mites, reducing 95.1 percent of their numbers after an overnight stay in air.
Option 1: Freezing bedding is even more effective than washing when it comes to killing dust mites, reducing 95.1 percent of their numbers after an overnight stay in a freezer.
Answer: 1