What are the important factors of cosmic rays?
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Who is the oldest cosmonaut?
WHAT IS AMBER
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3
who is the father of sex?
What is the Organic Evolution ?
Who developed primary blue print programme?
What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A
What are vitamins ? describe different kinds of vitamins
What is the Protoplasm ?
What is the growth ?
Enriched uranium used in a nuclear reactor is 1 Uranium freed of all impurities 2 Uranium treated with radiation 3 Uranium alloyed with aluminum 4 Uranium with a high percentage of a particular isotope
In a fast breeder reactor, U-238 gets converted to 1 U-235 2 U-237 3 Co-60 4 Plutonium-239