Question

Why are modern homes more likely to have higher indoor pollution? A. They use kerosene heaters B. They use asbestos to prevent fires. C. They have central heating and air conditioning D. They are tightly sealed from the outside

Answer 1

Homes that are tightly sealed from the outside are more likely to have a higher indoor pollution than homes that aren't tightly sealed from the outside.

Answer 2

Modern homes are more likely to have higher indoor pollution because D. They are tightly sealed from the outside