Biology · Ecology and Environment

The greenhouse effect refers to the warming of the Earth's surface primarily due to:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The direct trapping of heat by the ozone layer of the atmosphere
2An increase in temperature caused by higher concentrations of carbon dioxide and other greenhouse gases✓
3The formation of a thick moisture layer in the lower atmosphere
4Infra-red rays directly reaching the Earth without atmospheric filtering

Correct answer

An increase in temperature caused by higher concentrations of carbon dioxide and other greenhouse gases

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