Chapter 29 Self Quiz: Biofuels

  1. A disadvantage of biomass energy is it
    1. causes accidents at power plants (wrong)
    2. increases CO2 emissions (wrong)
    3. deprives soil of nutrients (correct)
    4. is radioactive (wrong)
    5. has very long half-life (wrong)
      Hint
  2. Yeast fermentation is used to produce
    1. composite briquettes (wrong)
    2. algae (wrong)
    3. biodiesel (wrong)
    4. hydrogen (wrong)
    5. grain ethanol (correct)
      Hint
  3. Algae may be a source for producing
    1. biodiesel (correct)
    2. methane (wrong)
    3. cellulosic ethanol (wrong)
    4. hydropower (wrong)
    5. shale gas (wrong)
      Hint