What are comets?
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Names of some plants and trees that sleep during the day
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3
how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'
When was the first rocket launched from thumba?
The country helped in arihant’s built?
In which year, atmospheric observations using balloons started?
Why sun seems to be a red colour while sun-rising and sun- setting?
example for navigation satellite?
A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrease the number of neutrons 3 Slow down the speed of neutrons 4 Accelerate the neutrons
what is the food constitution of ragi and rice
Science as a social endeavor .Explain
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Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these