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Ionosphere extends from :

A50 to 200 km from earth surface

BUpto 500 km from earth surface

C80 to 300 km from earth surface

DNone of these

Answer:

C. 80 to 300 km from earth surface


Related Questions:

At an altitude of about 20 to 50 km, the ultra violet rays from the sun splits up ordinary oxygen molecules to single atom oxygen molecules, which reacts with ordinary oxygen molecules to form tri atomic ozone gas. This process is called :
What is nearly 1% of the Earth's atmosphere?
സമുദ്രനിരപ്പിലെ ശരാശരി അന്തരീക്ഷമർദം ?
In cool mornings, condensed water droplets can be found on grass blades and other cold surfaces. This is called :

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  2. nitrogen
  3. carbon dioxide