Question

question 14
5 pts
why is investigating the use of alternative energy sources, like biofuels, so important to scientists?
o biofuels provide jobs and economic opportunities for farmers and rural communities.
o all the above.
o biofuels release less pollution than other types of fuels.
o biofuels and biomass are sustainable (wont run out).

Explanation:

Biofuels are sustainable, less - polluting, and can bring economic benefits. All the listed reasons are valid for scientists' interest.

Answer:

B. All the above.