Answer:
fe3o4+4h2 - 3fe + 4h2o
therefore coefficient is 4
Answer:
The charge of an atom is the number of protons minus the number of electrons.
I believe its D. They can perform more functions.
The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called inertia.
Answer: C) or the third option.
