Answer :
Final answer:
The greenhouse effect involves trapping heat with greenhouse gases in the lower atmosphere and is intensified by human activities, leading to global warming.
Explanation:
The greenhouse effect is a phenomenon where greenhouse gases in the lower atmosphere trap heat from outgoing solar radiation, causing the atmosphere to warm. This process is akin to how a greenhouse works by trapping heat inside. Human activities such as burning fossil fuels have increased the concentrations of greenhouse gases, intensifying the greenhouse effect and leading to global warming.
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