In response to environmental concerns, researchers have been seeking low-cost alternatives to fossil fuels. One such alternative is __________ , which can be liberated from water by using solar energy.
A) carbon
B) oxygen
C) hydrogen
D) ozone
E) none of these

Question

Quizplus · Accepted Answer

Hydrogen can be obtained through electrolysis of water using solar energy, making it a low-cost alternative to fossil fuels.

In Response to Environmental Concerns, Researchers Have Been Seeking Low-Cost