Question

Thomas Alva edison invented electric bulb.If there were no electric bulbs,how would be our life?​

Answer 1

Bulb was to be invented if not thimas then anyone one else

As answer of your question

we all would finsh our works in day only and nothing to do in night

Answer 2

If not Thomas Alva Edison others would have invented the bulb

according to your question

Then people would have suffered from darkness. People used the candles or lamplights during nights to do any work

It will be difficult to any task to be completed during nights

And there are risk that the fire accidentally fall on any thing and it may cause big issues

Hope so this answer helps you