Question

the speed of electrical charges moving through your cells causes __________ which creates heat.
steam
boiling
friction
fraction

electricity is dangerous because we __________ see it. *
can always
can never
can
can obviously

Explanation:

When electrical charges move through cells, friction between the moving charges and the medium they are moving through generates heat. Electricity is dangerous because it is an invisible form of energy - we cannot see the flow of electric - current itself.

Answer:

1. C. friction
2. B. can never