Can you answer
why the light which comes from your match stick after rubbing on match box always goes upward?
Why star can't be seen in day?
Why Airplane fly in sky ? & Why not in space?
Why we can't see molecules?
What is reason of earth rotation around it's own axis?
What makes summer hot and winter cool?
Why you can't see your own blad cell?
What makes bold RED?
Why Airplane fly in sky ? & Why not in space?
Why we can't see molecules?
What is reason of earth rotation around it's own axis?
What makes summer hot and winter cool?
Why you can't see your own blad cell?
What makes bold RED?
Aeroplanes require air to fly. the difference in pressure over the surface of wing creates a force called lift. this lift is responsible for flying of a aircraft.
ReplyDeletethere is no air in space, therefore no pressure and hence no lift.
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Iron in blood makes it look red.
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