- longest day
- longest night
- smallest day
- none of these
Author: Zabeehullah
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- vitamin C
- vitamin D
- vitamin E
- vitamin K
- Three colours
- six colours
- seven colours
- eight colours
- the strength of T.V. waves is very limited
- picture cannot be transmitted clearly after a specific distance
- the shape of the earth is spherical
- the air is not a good conductor of light and sound/waves
- Vint Cerf
- Charles Babbage
- Edison
- Alexander Graham Bell
- Convex lens
- Concave lens
- Convex-concave lens
- Concave-convex lens
- second
- kilo gram
- meter
- volt
- Insect
- Fish
- Bird
- Mammal
- haber process
- Amonia solvay process
- decons process
- lead chamber process
- ionic substances
- metallic substances
- molecular solids
- covalent network solids
- Solid
- Liquid
- Gases
- Vaccum
- A single force
- Two forces acting in the same direction
- Two forces acting along different lines and in opposite direction.
- A pair of forces acting along the same line and in opposite direction
- Biology
- Biomechanics
- Bioenergetics
- Aerodynamics
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