Beth made the chart shown.

a 2-column table with 1 row. the first column labeled x has entries wall clock, t v remote control, portable music player. the second column labeled y has entries refrigerator, table lamp, hair dryer.
which headings best complete the chart?

x: use dc
y: use ac

x: use ac
y: use dc

x: powered by current
y: powered by magnetism

x: powered by magnetism
y: powered by current

X: Use DC

Y: Use AC

Explanation:

The objects: Wall clock, T V remote control, Portable music player, are normally powered by batteries, which run DC current.

On the other hand, the objects: Refrigerator, Table lamp, Hair dryer, demand much larger power, and are normally run from the AC plug on the wall.

a and c

explanation:

both a and c are correct answers to my knowledge, it's been a bit since i've done anything related to magnetic fields, but it should be right.

+15-35=-20

going in opposite directions