I don't know. Why do you think I was on this page? I was looking for the answer, too!
I have no idea
brooms have been innovated over time. Some of these innovations are, that it was at first just a stick and some straw, and now it is made with a metal handle and plastic bristles. This is actually far more effective because now the broom catches more dirt, and when is was made of straw the dirt would get stuck inside and spread around.
artifical inteligence and emotions human jobs etc.
personal computer
underwent is the simple past tense. undergone is the past participle (so it is used in compound tenses). It is like go.go went goneundergo underwent undergone.Underwent is not paired with "have." However, undergone is paired with "have."I undergo a difficult commute every day.I underwent a particularly difficult one yesterday.I have undergone much more difficult ones in the past.I go to the store on Wednesday.I went to the store on Monday this week.I have gone to the store on other days of the week.Remember, the third person changes the form:She goes to work.She went to workShe has gone to work every day since she started.
Automobiles have been updated and computerized.
They are much smaller and faster than when the first computer was invented.
I have no idea
got to go to school
No one has had an innovation for fireworks.
Type your answer here ....
had knobs now it has buttons
to tell u wat tu du
it has gotten smaller and they are now better quality
LED lights came out in 1962
Innovations to the necklace include colorful stones, art glass, feather, shells, beads, or corals.
Windshield wipers and I think blinkers (turn signals)