Which statement is true about balancing equations?

Question

A. Coefficients can be changed, but not made negative.

B. Subscripts cannot be changed.

C. The total number of atoms of each element must be the same on both sides of the equation.

D. All of the above

E. None of the above.

For this question I got; D. All of the above. Is this correct?

Answer 1

Answer is D ( All of the above)