Subject :NSO Class : Class 9
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 3
Ans 1: (Master Answer)
Class : Class 1
D
Smoke released from chimneys of houses spreads in the air surrounding the houses, mainly causes air pollution.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 5
Ans 1:
Class : Class 6
Alpha centauri is not the brightest star in the night sky although it is the second closest star to the earth after the sun. Sirius-A is the brightest star in the night sky, still it is further from the earth than alpha centauri.
Ans 4:
Class : Class 6
IT DEPENDS ON THE SIZE OF THE STAR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DISTANCE DOES NOT MATTER LIKE HOW ASHWINI HAS WRITTEN HERE!!!!!!!!!!!!!!!!!!!!!
Ans 5:
Class : Class 6
it is true that some stars are nearer to sun, but it does not mean that the star it is brighter. Betelgeuse is the red supergiant and visible to us but its far away and alpha century is just 4 light years away from the earth, but it is not the brightest.I think the organization could solve he problem
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Subject :NSO Class : Class 1
and 
are filled with ___________.
Ans 1: (Master Answer)
Class : Class 1
B
Football and tyre are filled with air. Air fills the space in football and tyre, and gives them their shapes.
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 3
