how airplanes can fly in the air in spite of being heavier than air

Dear Student 
                       we know that plane has wings and by bernoulli's  theorem
                      The air pressure under the wings is greater then the pressure over the wings creating lift 
                       
Regard
                     

 
                   
 
 

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Airplanes can fly in air being havier because it is conducted by the pilot through the techniques and usually the techniques used are known as flying wings.
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A global increase in?air?travel, as well as a growing aged population in many ... though the?aircraft?is?flying?at much higher altitudes. ...... up to 7 days following?spinal?anesthesia
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IT HAD TECHNIQUES WHICH THE PLANES ARE FOLLOWING AND THATS WHY THE AIRPLANES ARE FLYING. 
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