Dwayne would like to replace sentence 4 with a sentence that better articulates the thesis om
which of the following would best accomplish this goal?

a. in this urgent quest for the energy source of the future, scientists might focus their studies on algae.

b. because it has no downside, algae is a possible option for scientists to immediately pursue.

c. algae can make its own energy from sunlight through a process called photosynthesis.

d. algae is an alternative energy source that has proven itself viable enough to be funded on a massive
scale.