Fruits and vegetables are good sources of
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Russian Sukhoi 24 (SU-24) flight was shot down in November 2015 by
Which of the following fuels causes minimum environmental pollution?
Blocking in experimental design is useful because it
The instrument used for measuring air pressure is called .....
The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called
Which colour is formed when Red and Green are mixed?
According to the distance of planets from the Sun, which of the following order is correct?