What causes the green house gas
Answers
Explanation:
The major greenhouse gases (GHG's) solely responsible for greenhouse effect are Carbon dioxide, Ozone, Methane and Water vapor. ... Therefore, the increase in the Earth's surface temperature due to increase in the number of greenhouse gases leads to global warming.
Answer:
Before we dig deep into the causes of greenhouse effect, it is important for us to know what is greenhouse effect. You must have heard of greenhouse effect during any debate on global warming. The light that we get from the sun helps to keep this planet warm. Of the 100% light that sun sends to earth, almost 30% sunlight is reflected back into the space by clouds, ice, snow, sand and other reflective surfaces, according to NASA. Only about 70% of the sunlight is absorbed by the oceans, the land and the atmosphere. The sunlight that falls on the Earth’s surface is used for different purposes. It can be used to produce solar energy, drying clothes, or by plants in the process of photosynthesis.
The Earth’s surface warms up during the day and cools down at night, releasing the heat in the form of infrared radiation IR out of the atmosphere into space. But before all these infrared radiation can escape out of the atmosphere into the space, they are absorbed by greenhouse gases (GHG’s) present in the atmosphere. The absorption of these radiations by greenhouse gases makes it possible to keep this planet warm for humans. Without Greenhouse effect, the temperature of this planet would be lesser by 30 degree Celsius and this would be too cold for us to survive.
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