Physics
If there were no gravity, which of the following will not be there for a fluid?

Pressure
Surface Tension
Viscosity
Upward Thrust

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Physics
It is dangerous to observe Solar eclipse with naked eyes because

All radiations from sun initiate chemical reactions in eyes
Ultraviolet radiations from Sun burn our retina
Infrared radiations from sun burn our retina
Cosmic rays reach eyes more during the eclipse

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