Which sentence best conveys the central idea of the informational text?

Question

(1 point)
Responses

One of the most basic and necessary pieces of equipment in medical labs is a centrifuge.
One of the most basic and necessary pieces of equipment in medical labs is a centrifuge. - no response given

While the gadget only takes two minutes to separate blood, reports The Economist, it takes 15 minutes of whirligigging for malaria-diagnosing separations.
While the gadget only takes two minutes to separate blood, reports The Economist, it takes 15 minutes of whirligigging for malaria-diagnosing separations. - incorrect

The pair began prototyping small hand-powered centrifuges based on the whirligig principle.
The pair began prototyping small hand-powered centrifuges based on the whirligig principle. - no response given

"I realized that if we wanted to solve a critical problem like malaria diagnosis, we needed to design a human-powered centrifuge that costs less than a cup of coffee," Prakash says in a press release.

Answer 1

The sentence that best conveys the central idea of the informational text is:

"I realized that if we wanted to solve a critical problem like malaria diagnosis, we needed to design a human-powered centrifuge that costs less than a cup of coffee," Prakash says in a press release.

This sentence highlights the goal of addressing a significant problem (malaria diagnosis) and emphasizes the innovative solution (a human-powered centrifuge) along with its affordable cost.