What is the process of increasing the temperature of the Earth’s atmosphere by the absorption of infrared radiation reflected from the Earth’s surface called?
The process described is known as the greenhouse effect. It involves the atmosphere trapping heat that has been reflected or re-emitted from the Earth’s surface in the form of infrared radiation. Greenhouse gases like carbon dioxide and methane are the primary agents in this process, ensuring that the Earth remains warm enough to support life by retaining vital thermal energy now. ANSWER: (A) Greenhouse effect
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The greenhouse effect is the fundamental process by which the Earth’s atmosphere traps thermal energy. When solar radiation reaches the surface, the planet warms up and emits infrared radiation. Greenhouse gases in the atmosphere absorb this outgoing longwave energy rather than letting it escape into space. This absorption increases the kinetic energy of air molecules, thereby raising the overall temperature of the atmosphere. While this is a natural and necessary phenomenon for life, human activities have amplified it, leading to global warming. Understanding this process is critical for addressing modern climate challenges and predicting future environmental changes globally.
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