what are stars mainly made of ?
what are stars mainly made of ?
A. Balls of gass
B. Rock
C. Ice
D. Light
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The property of a substance to absorb moisture from the air on exposure is called____________?
The property of a substance to absorb moisture from the air on exposure is called____________?
A. osmosis
B. deliquescence
C. efflorescence
D. desiccationThe bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.A. Mars
B. Saturn
C. Uranus
D. JupiterWhich component of diet helps in preventing constipation ?
Which component of diet helps in preventing constipation ?A. Proteins
B. Fats
C. Fiber
D. CarbohydratesWhich is the most electro-negative element among the following _________?
Which is the most electro-negative element among the following _________?A. Fluorine
B. Bromine
C. Sodium
D. OxygenWhich of the following is called as Blue planet?
Which of the following is called as Blue planet?A. Mercury
B. Earth
C. Venus
D. NeptuneRainbow is seen after rain because of hanging molecules of water which act as __________?
Rainbow is seen after rain because of hanging molecules of water which act as __________?A. Lens
B. Prism
C. Mirror
D. Slabs