Objects can be charged in many ways. , a student is rubbing a balloon on his head. What method is he using to charge the balloon?

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

the results is a decrease in air temperature with an increase of altitude.

explanation:

c) up

hope this

the ima (higher than 1m) will be greater than the ima with the height of 1m.