Question

who made a helicopter?
who's idea was it?
does the law of gravity apply on water?
who crossed the English channel with a helicopter.
fact- three world record for holding breath is of 11 mins 35secs. true or false?​

Answer 1

Explanation:

Inventors

Igor Sikorsky

Paul Cornu

Arthur M. Young

Igor Sikorsky

While Igor Sikorsky is undoubtedly the father of the modern helicopter (Check out our infographic on the First Flying Helicopter!), the history of the helicopter is said by many to have started with an ingenious drawing by 15th century painter and inventor, Leonardo da Vinci.

drop multiple thanks

@ritradas79

Answer 2

Answer:

all the best

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