Which gas released in the atmosphere creates a greenhouse effect trapping the heat?
What are the important objects for survival of plants and animals?
Excess amount of CO2 is responsible for ___________.
What are the important objects for survival of plants and animals?
Which one of the following gases is present in the atmosphere in the highest amount?
What percentage of oxygen is found in atmosphere?
Which of the following gases is called a greenhouse gas?
Which of the following gases absorbs the harmful ultraviolet rays radiated from the sun?
Which of the following is the lower most layer of atmosphere?
Radio communication is possible due to
