Science, asked by Vanessa18, 1 year ago

D.D.T. was invented by ?
Helicopter was invented by ?

Answers

Answered by Fuschia
1
D.D.T was invented by Paul Hermann Müller.

Helicopter was invented by Paul Cornu.But it was Igot Sikorsky who developed the first successful helicopter

Hope This Helps You!
Answered by sweety70
0
Hello Vieola,

D.D.T was invented by Paul Herman Muller.

Helicopter was invented by Paul cornu and developed by igor sikorsky

hope it helps u......
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