Answer: A) They use a dozen varieties of plants to clean the air
Volatile Organic Compounds (VOCs) are harmful to human health, and are released from a variety of household items, including cleaning agents, paint, electronics and carpeting. The simplest way to reduce the amount of VOCs in your home is to look for products that have little or zero VOCs. However, when alternatives don't exist, another inexpensive method is to use indoor plants such as Boston fern and peace lily to clean the air in your home.
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