Comprehensionhard · Past Paper

Passage: Solar energy is considered 'clean' because it does not produce carbon dioxide while generating electricity. Q19. In this passage, what does 'clean' most likely mean?

AWashed with soap and water
BFree from physical dirt
CEnvironmentally friendly and non-polluting
DTransparent and clear

✓ Correct Answer: CEnvironmentally friendly and non-polluting

Clean in an environmental context refers to energy sources that do not emit pollutants or greenhouse gases.

Share this question

More from Comprehension