Question

please please it's for my exam preparation, its urgent ​

Answer 1

take a ballon .. fill air....

and release it ..

you will observe that , due to the pressure of air the ballon started flying for some time.

and as the ballon become empty it will come down

Answer 2

Answer:

Explanation:

if i am right we are not allowed to answer questions for exams and i dont know the answer too it