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प्रश्न
Define the following
CFC’s
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उत्तर
These are chloro-fluoro carbons and are used as propellants in aerosol cans, refrigerants in refrigerators, air conditioning and as solvent cleaners in the microelectronic industry.
संबंधित प्रश्न
How is carbon dioxide a useful gas for life on earth?
Define the following
Thermosphere
Why does the atmosphere thin out at higher levels?
What are the properties of Ionosphere?
Give reasons for the following :
The exosphere allows the gas molecules to easily escape into space.
Answer the following questions
Which two gases make the bulk of the atmosphere?
Why do green plants use carbon dioxide?
How does nature balance our life? What is the result if this balance is disturbed?
Sea salt, pollen, ash, smoke soot, fine soil – these are associated with:
Describe the composition of the atmosphere.
