Biomass Energy Quiz
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Questions and Answers

What are some examples of biomass feedstocks?

Sugar cane, wood, animal waste, grasses, food crops, and algae.

What are biofuels?

Fuels made with biomass derivatives.

Why is algae a promising biomass energy source?

It grows and produces energy rapidly, requires less space than other feedstocks, and does not monopolize arable land.

What are the four processes used to convert biomass into energy?

<p>The four processes used to convert biomass into energy are burning, gasification, co-firing, and pyrolysis.</p> Signup and view all the answers

What are three advantages of biomass energy?

<p>Three advantages of biomass energy are carbon neutrality, abundance of sources, and renewability.</p> Signup and view all the answers

What are two disadvantages of biomass energy?

<p>Two disadvantages of biomass energy are initial costs and transportation/storage challenges.</p> Signup and view all the answers

What are the challenges of using biomass energy for existing energy plants?

<p>Existing energy plants must build massive storage units to hold wood pellets away from coal stores. Some countries depend on imported feedstocks, which increases costs and greenhouse gas emissions.</p> Signup and view all the answers

How does the use of energy crops affect land usage?

<p>Farmers must still dedicate large tracts of arable land to energy crop production, reducing the acreage available for food crops and livestock.</p> Signup and view all the answers

What are the sustainability concerns associated with biomass energy harvesting?

<p>Biomass energy harvesting requires careful management to remain renewable and carbon neutral. Clearing forests faster than they can regrow depletes resource availability, eventually making wood products nonrenewable. Young trees absorb and sequester carbon less efficiently than old-growth trees.</p> Signup and view all the answers

Does replanting guarantee a complete carbon offset in biomass energy harvesting?

<p>No, replanting does not guarantee a complete carbon offset as young trees absorb and sequester carbon less efficiently than old-growth trees.</p> Signup and view all the answers

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