Which is a characteristic of all ions? they are made of one type of atom. they have one overall charge. they are made of two or more types of atoms. they have two or more overall charges.

The eel has a certain amount of rotational kinetic energy when spinning at 14 spins per second. if it swam in a straight line instead, about how fast would the eel have to swim to have the same amount of kinetic energy as when it is spinning?

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)