How many time zones are there in the world?
How many time zones are there in the world?
A. 22
B. 12
C. 16
D. 24
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Tooth decay is caused by?
Tooth decay is caused by?A. Salt
B. Sugar
C. Calcium
D. FormalinApart from Venus, which planet rotates from east to west?
Apart from Venus, which planet rotates from east to west?A. Jupiter
B. Mars
C. Uranus
D. NeptuneWhich of following contains cobalt?
Which of following contains cobalt?A. Vitamin K
B. Chlorophyll
C. Vitamin B12
D. HaemoglobinThe electronic device which is used as a switch or amplifier is called ?
The electronic device which is used as a switch or amplifier is called ?A. Diode
B. Resistor
C. Transistor
D. TransformerAccording to Einsteins general theory of relativity the universe:________________?
According to Einsteins general theory of relativity the universe:________________?A. Must be expanding
B. Must be contracting
C. Must be either expanding or contracting
D. Must be neither expanding nor contractingDiamonds are made up almost entirely of what element?
Diamonds are made up almost entirely of what element?A. Carbon
B. Helium
C. Methane
D. Nitrogen