Because it helps us know when to do something or when to go somewhere. It would be a hard life without clocks and time. We wouldn't know when it was night or when to get up. There's many things in life we need clocks and time for.
electricity
it is the best invention because as social beings, it is what makes our lives enjoyable. Without it we would not be able to communicate with each other and most invention that we enjoy today may not exist.
the ball point pen the bed the automobile the invention of the stove the invention of the refridgerator the invention of the clock the invention of the washing machine the invention of the dryer the invention of the microwave the invention of fast food Another list of ten: Alcohol Internet - Sir Tim (Englishman) Condoms Anaesthetics Printing press Plumbing - Inc Toilets and sewers (The Romans) Cooking Languages Mathematics - The only universal language or the world Currency
the stage of human social and cultural development and organization that is considered most advanced.
The Roman civilization is best known for its use of arches. They extensively used the arch in their architecture, including in famous structures such as the Colosseum and aqueducts. The invention and mastery of the arch allowed the Romans to create grand and durable structures that still stand today.
the best modern invention is the thinnest computer and iPhone4s
I think that the car would be the most best invention!
Civilization IV
This is the best invention because it is big.
The wheel. Spectacles and contact lenses have to be up there. Just ask Piggy from 'lord of the flies. I couldn't live without them'
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Fire keeps one warm from the cold, cooks food to kill any bacteria present, lights up the darkness, and when one unknown man experimented with bronze ore he found and realized it was easier to forge than stone tools he and others who experimented had created the practice of metallurgy.