Determine whether each statement concerning biomass or biofuels is true or false. the two most common biofuels are biodiesel and syngas. a) true b) false the percentage of total energy worldwide from biomass (wood, etc.) is about 4%. a) true b) false for every kg of co2 produced, octane produces about the same energy (mj/kg fuel) as ethanol. a) true b) false

1. False.

2. True.

3. True.

Explanation:

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Here the reasons:

1. It is false due to the fact that the two most common biofuels are biodiesel and ethanol.

2. It is true as long as the energy coming from biomass is not too large in comparison with other sources such as biofuels or fossil fuels.

3. In the octane's replacement as the major component in gasoline, recent researchers have found that ethanol and octane have an intimately close amount of energy that is released when used as fuels. Ethanol has a rating of 113 in terms of octane, this makes it suitable as a fuel in comparison with the proper octane.

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