who invented the white light
Nobody invented sunlight. It is natural.
Who invented the rocket Catapult
The word "invented" means a human made something new. Mountains were not invented. They were created by God.
What country was the Thermometer invented in
bifocals in 1884, but trifocals were in the 40's1 year ago
John Isaac Hawkins, the inventor of trifocal lenses, coined the term bifocals in 1824 and credited Dr. Franklin.
Varifocals
Trifocals are not popular in UK because people are using progressives lenses. I am wearing trifocal since I am 50 years old and my vision is quite better compare to when I was wearing progressives lenses. Tim.
jv
invented in 500BC before electricity was invented
Gloria Mejia invented it and she invented it in 1998
The CD was invented in 2001 Thomas clamps invented it.
who invented the washboard?
When and where were snickerdoodles invented Why were snickerdoodles invented
Yes, the computer is invented.
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented