Question

Green-house effect is the phenomenon in which heat-

• A. from the sun is absorbed by green-house gases and is re-radiated.
• B. from the sun is absorbed by plants and passed on to the biosphere
• C. energy is not absorbed by the earth's surface into the core
• D. energy is absorbed by the plants to make food

Answer 1

The correct option is A from the sun is absorbed by green-house gases and is re-radiated.

The greenhouse effect is an atmospheric heating phenomenon in which the Earth experiences a rise in temperature. Due to the presence of certain gases such as water vapor, carbon dioxide and methane in the atmosphere. These gases allow incoming sunlight to pass through but traps the heat re-radiated from the earth's surface. This makes the temperature of earth to increase and leads to global warming.