Pick from:
(i) waves.
(ii) unique.
(iii) fields.
(iv) Green.
(v) heat.
(vi) rays.
(vii) energy.
(viii) warmth.
Q: Fact 1: Alight bulb requires electrical energy to produce light. Fact 2: Ray translates as light . Given the two facts above, a bulb uses electrical energy to produce:?
A:
(vi)