Which of the following processes is held responsible for Global Warming?

Raj. CHO -2020

General Knowledge

Easy

Appeared in: Raj. CHO -2020

Explanation

The Greenhouse Effect is the process where gases in the Earth's atmosphere trap the sun's heat, making the planet much warmer than it would be without them.
Human activities, primarily the burning of fossil fuels for energy, have drastically increased the concentration of greenhouse gases (like CO₂, CH₄, and N₂O) in the atmosphere.
This enhancement of the natural greenhouse effect is the fundamental cause of the observed rapid increase in global average temperatures, known as global warming.
The trapped heat leads to widespread climate changes, including rising sea levels, more extreme weather events, and disruptions to ecosystems.

Option B: Fire in coal mines is a source of greenhouse gas emissions, but it is not the fundamental process causing global warming. It is one of many contributors to the larger phenomenon of the greenhouse effect.
Option C: Dry farming is an agricultural method for conserving water in arid regions. It is a response to certain climate conditions, not a cause of global warming.
Option D: A monsoon is a seasonal weather pattern characterized by a reversal of winds and heavy rainfall. While global warming can alter monsoon patterns, the monsoon itself does not cause global warming.

Visual 1: Diagram - An infographic illustrating the greenhouse effect, showing solar radiation entering the atmosphere, being absorbed by the Earth, and then being trapped by a layer of greenhouse gases.
Visual 2: Chart - A line graph showing the correlation between the rise in atmospheric CO₂ concentrations since the Industrial Revolution and the increase in global average temperatures.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The primary process responsible for global warming as background academic context rather than a clinical decision trigger.
Nurses must be aware of the health impacts of climate change, as it is a major determinant of health. This includes increased risks of heatstroke, dehydration, and exacerbation of cardiovascular and respiratory diseases during heatwaves.
Climate change can alter the geographic range of vector-borne diseases (e.g., dengue, malaria). Nurses should be vigilant for symptoms of these diseases, even in areas where they were not previously common.
What if? - If a patient presents with confusion, hot dry skin, and a very high body temperature after being outdoors on a hot day, the nurse should suspect heat stroke, a medical emergency. The priority action would be rapid cooling and immediate medical escalation, not just offering water, which is appropriate for milder heat exhaustion.

How to Approach the Question

Identify the core question: The question asks for the primary 'process' behind global warming.
Analyze the options: Evaluate each option to see if it describes a large-scale, fundamental process or a specific event, technique, or weather pattern.
Recall scientific knowledge: Access your understanding of environmental science. The 'Greenhouse Effect' is the textbook term for the mechanism of atmospheric warming.
Eliminate incorrect options: 'Fire in coal mines' is a source, not the overall process. 'Dry farming' is an agricultural method. 'Monsoon' is a weather system. These are clearly distinct from the planet-wide warming mechanism.
Confirm the best fit: The Greenhouse Effect is the only option that describes the fundamental physical process responsible for trapping heat in the atmosphere and causing global warming.

Concept Tested & Keywords

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