Question

which household activity is a significant source of volatile organic compounds (vocs)?
vacuuming with a hepa filter
using chemical - based cleaning products
opening windows for fresh air
boiling water for tea or coffee

Explanation:

Volatile organic compounds (VOCs) are emitted as gases from certain solids or liquids. Chemical - based cleaning products often contain solvents and other chemicals that release VOCs. Vacuuming with a HEPA filter, opening windows, and boiling water do not significantly release VOCs.

Answer:

using chemical - based cleaning products