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Search Results for biofuels - All Grades

9 questions match "biofuels". Refine Your Search

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Grade 9 Environmental Science
Grade 5 Grammar
Grade 9 Volcanoes
Grade 9 Environmental Science
Grade 5 Environmental Science
What is an example of an alternative energy sources?
  1. Biofuel
  2. Wind
  3. Solar
  4. Hydroelectric
  5. All of the above
Grade 5 Environmental Science
                 works by using fuel derived from organisms.
  1. Wind energy
  2. Solar energy
  3. Hydroelectricity
  4. Biofuel
Grade 6 Environmental Science
Grade 6 Environmental Science
Many cities are taking actions to cause less harm to the environment. Which action produces energy from an alternative source?
  1. Burning coal to heat homes.
  2. Using biofuels to generate electricity.
  3. Replacing lawns with plants that require less water.
  4. Building a new water-treatment plant to improve water quality.
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