#1.3 Daily Practice

     A creative alternative, biomass is often used along with fossil fuels such as crude oil and coal in order to provide energy for homes and businesses. Companies and officials have sought ways to reduce the carbon impact on society while still gaining the benefits of fossil fuels. Biomass does not emit excess carbon monoxide into the environment. In contrast, trees that are cut down do. While it is known that trees contribute oxygen and clean the air, when they are cut, they release carbon dioxide. When acres of trees are cut at the same time, huge amounts of carbon dioxide are released into the environment.

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How does the author show that biomass is less harmful than cutting down large amounts of trees?

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How does the author show that biomass is less harmful than cutting down large amounts of trees?

What does alternative mean?