Answer the question which the photo include it

the reason is because the moon has some form of gravity, and that gravity pulls the ocean tides.

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.