III. Procedure: What should be the independent variable for this
experiment?
V
How do you plan on changing your independent variable?
H

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

heats surface water up

i think the answer is tomato juice? not entirely sure though