what is the force that helping the earth to revolve by its own.
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The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate
I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
why nitrogen is about 70%(i.e.)highest percentage in environment
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
When was the atomic energy regulatory board ( aerb ) constituted?
In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium
What do you understand by nutritive constituents of food ?
Label the following types of erosion in order by their ability to transport materials. Wind erosion, water erosion, glacial erosion, plant/animal erosion.
define cartography?
A team of u.n scientists visited thumba?
Biological Sciences 
