The following question has two parts. First, answer part A. Then, answer part B.

Part A:

Which claim from the presentation is NOT FULLY supported?
A
Green fuels are going to replace all traditional fuels.

B
Developing biofuels is something scientists are currently working on.

C
Growing algae leaves farmland free to grow crops for food.

D
Current methods of producing fuel from algae are too expensive.

Part B:

Which sentence from the presentation BEST supports your answer in part A?
A
Lately, people are becoming more interested in what's called "green" energy—energy sources that don't cause pollution or use up non–renewable resources.

B
In addition to wind and solar power, scientists are investigating what are known as "biofuels."

C
Biofuel gasoline may be ready for sale within a few years.

D
With this new method of getting fuel from plants, regular gasoline will soon be just a thing of the past.