Thomas Alva Edison was a inventor and a businessman, he invented the electric light bulb. This is a very good idea because it use to illuminate a place when it is by night and it isn't by night.
A bulb is a dispositive, it produce electric light and illuminate. It use 90% of electric to give a very little hot too. In 1879 he flare up the first electric light bulb forty eight away.
Great job!! Just correct: " ...was an inventor ...businessman. He..." "...is used to illuminate /light... night or when it isn't." " ...bulb is a device; it produces... and illuminates." "It uses...electricity... very little heat.""...1879 he turned on...,forty- eight years ago."
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