Question

How can you improve indoor air quality?

Answer 1

D. increasing ventilation in enclosed spaces

Step-by-step explanation:

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Answer 2

There are a variety of ways in which indoor air quality can be improved, depending on the environment that you live in and other factors in your home. Firstly, ensure that you remove any contaminants, such as mould on the walls or anything that might be giving off chemicals. Additionally, avoid behaviours such as smoking in the home which will add such chemicals to the air through smoke. You could also invest in an air purifier.