What is the 'Greenhouse Effect' and how does increased carbon dioxide emission affect global climate?
Answer and explanation
Correct answer: C. the trapping of thermal infrared radiation by atmospheric gases, warming the planetary surface
- Step 1: Greenhouse gases (like CO2, methane) absorb and re-emit infrared radiation from the Earth's surface, trapping heat and raising global average temperatures. Answer: the trapping of thermal infrared radiation by atmospheric gases, leading to progressive warming of the planetary surface. Why not the others: It warms the surface rather than blocks solar radiation.
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