hey everyone please help me out with the above ques in the Attachment
don't spam
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ok it's clear by the pic and I think both are the same questions.
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The Wright brothers invented and flew the first airplane in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight". ... Airplanes had a presence in all the major battles of World War II. The first jet aircraft was the German Heinkel He 178 in 1939.
tnx sis♥
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