Question

Greenhouse effect is due to the increased concentration of –

Answer 1

Hint: Till the troposphere, the heating of the surface of the Earth is the process of Greenhouse effect. If some gas like $CO_2$ $CH_4$ increases, the temperature of the earth also increases. That may cause harm in future. The lowest layer of the atmosphere is the troposphere. As the Earth's surface is heated by sunlight, it radiates part of this energy back toward space as infrared radiation.

Complete answer:
Because of the higher concentration of carbon dioxide, water vapour, methane and other gases. In the form of the infrared radiation back to space as the sunlight beats up the Earth’s surface. The global temperature when increases in the greenhouse effect, the concentrated gas absorbs the energy. The causes of the greenhouse effect are- (a) fossil fuel burning, (b) farming, (c) deforestation, (d) population increases, landfill and industrial waste. The major consequences of the greenhouse effect are- (i) ozone layer depletion; (ii) global warming; (iii) environmental degradation; (iv) extinction of the species. There are many gases that are responsible for the greenhouse effect on Earth. Since the heat is absorbed by gases and radiated, the concentration of these gases increases the heat on the earth’s surface. These gases are – water vapour, carbon dioxide, methane, ozone, nitrous oxide and chlorofluorocarbons.

Note:
In Spite of the damage caused by global warming and the greenhouse effect in its absence, the temperature of Earth may slide down to almost (-18) degree Celsius. It is a useful process for life on earth’s surface. Prevention of the greenhouse effect can be of the following- conservation of the energy, afforestation, public transportation and policy intervention.