Has the bifocals saved lives

Anonymous

∙ 13y ago

Updated: 8/20/2019

The bifocals haved saved lives by letting people see clearly.

Wiki User

∙ 13y ago

What else can I help you with?

How did Benjamin Franklin inventions help the world?

He invented many things. Some, such as bifocals and swim fins, are still used today and improve peoples' lives. The lightning rod saved many lives. Also, his electrical work served as the basic for all work involving electricity.

How many lives are saved by animal testing a year?

millions of lives are saved by animal testing

How many lives have airbags saved?

lots and lots of lives have been saved by airbags. its indeed very cool.

What is a sentence with the word bifocals in it?

Please help me find my bifocals.

Has the four wheeler invention saved lives?

Yes, this futuristic invention they call a "four wheeler" has saved many lives.

Why are bifocals important?

because bifocals are still used today and without bifocals you would have to have 2 pairs of glasses that's why its Important

What are some changes of bifocals?

bifocals changed in size, shape, and magnification.

What are glasses that can focus at two different lengths called?

Bifocals.

How meny lives have you saved?

Tweleven.

Has aluminum saved lives?

yes

Have airbags saved lives?

Yes.

What did benjamen invent?

* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals* lightning rod * Franklin stove * odometer * bifocals

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