Answer:
b
Explanation:
the baloon is made to hold more air.
The correct answer is organelles
May be it will be silver because they are in same level in chemical activity series
Moving the electron away from the nucleus requires energy, so the electrons in the outer shell will have more energy than ones in the inner shell. Electrons always have a charge of -1, so the charge in the inner and outer shell will be the same. Therefore the answer is 3