Which of the following gases is NOT a major greenhouse gas that causes climate change?

Question

Question

This question was previously asked in

RRB ALP Fitter 21 Jan 2019 Official Paper (Shift 2)

Answer 1

The correct answer is Carbon monoxide.

Carbon monoxide is NOT a major greenhouse gas.

Carbon monoxide is toxic to animals that use hemoglobin as an oxygen carrier.
A greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range.
Greenhouse gases cause the greenhouse effect on planets.
The primary greenhouse gases in Earth's atmosphere are Water vapor, Carbon dioxide, Methane, Nitrous oxide, and Ozone.

**Key Points**
Methane	A hydrocarbon gas is produced both through natural sources and human activities. Methane is a far more active greenhouse gas than carbon dioxide, but also one which is much less abundant in the atmosphere.
Carbon dioxide	A minor but very important component of the atmosphere. Released through human activities such as deforestation and burning fossil fuels, as well as natural processes such as respiration and volcanic eruptions. Carbon dioxide is the most important of Earth’s long-lived greenhouse gases.
Nitrous oxide	Nitrous oxide, commonly known as laughing gas or nitrous. A powerful greenhouse gas produced by soil cultivation practices. Nitrous oxide is a powerful oxidizer similar to molecular oxygen.