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प्रश्न
Explain the term WHO.
उत्तर
WHO is World Health Organization which put a check on diseases and global warming etc.
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संबंधित प्रश्न
Give a reason for the following:
An excess of carbon dioxide increases the temperature of the earth.
Give balanced equations for the formation of carbon dioxide – a major greenhouse gas, during combustion of fossil fuels.
Give the options for reducing green house gases by use of fuels better than fossil fuels.
The diagram represents the green house effect.
State why the effect is called ‘global warming’.
A red hot ball is suspended from the ceiling of a room using a thin metallic wire.
Explain what role does the air in the room play in the loss of heat.
Which one of the following does NOT produce green house effect?
Trees help in reducing the pollution of our environment. Lakhs of trees are planted by people in the month of July every year. This occasion is called
Assertion: Greenhouse gases maintain the temperature.
Reason: Greenhouse gases absorb infrared rays.
Answer:
Which of the following is an example of a green house gas?
