Answer: mass
Explanation: the protons and neutrons make up the nucleus and nearly the entire mass of the atom
Answer:
remaining still during the night.
Explanation:
Answer:
4 is the answer
Explanation:
i am not sure for this question
"A contactor is a electrically controlled switch which uses an electromagnetic coil to pull in the contacts.”
"A motor starter is a contactor, plus an overload relay that will drop out the coil voltage if the motor overloads. If there is not overload relay, it is not a starter any longer, it's back to being just a contactor."
