Answer» Correct Answer - Option 2 : Methane
The correct answer is Methane. - Green-House Gas
- Greenhouse gases are those that absorb and emit infrared radiation in the wavelength range emitted by Earth.
- Greenhouse gases trap heat and make the planet warmer and are the reason for global warming.
- Carbon Dioxide, Nitrous Oxide, Methane, and Ozone are trace gases that account for almost 0.1% of Earth's atmosphere and have an appreciable greenhouse effect.
- Methane (CH4)
- It is the simplest hydrocarbon consisting of one carbon atom and four hydrogen atoms.
- It is a powerful greenhouse gas.
- Major natural sources of methane include emissions from wetlands, and oceans and from the digestive processes of termites.
- Methane is more than 25 times as potent as carbon dioxide at trapping heat in the atmosphere.
- Hydrogen
- It has atomic number 1 and mass number 1.
- It has the simplest atomic structure among all the elements around us in nature.
- It is the first element in the periodic table.
- It resembles alkali metals as well as halogens in some properties.
- Oxygen
- Its atomic number is 8 and its mass number is 16.
- It is the most abundant of all the elements on earth.
- It is paramagnetic in nature.
- Ozone(O3) is an allotropic form of oxygen.
- Nitrogen
- Its atomic number is 7 and its mass number is 14.
- It is inert at room temperature.
- Nitrogen comprises 78% by volume of the atmosphere.
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