RacheleMurnan RacheleMurnan

04-09-2014
History

contestada

The first light bulb had a filament made of _____.

Respuesta :

mashenka mashenka

04-09-2014

Filament of the first light bulb was made of carbonized piece of cotton. It was invented by Thomas Edison in 1879 and the lifetime of this light bulb was approximately 13 hrs.

Answer Link

Otras preguntas

A student athlete runs 3 1/3 miles in 30 minutes. A professional runner can run 1 1/4 times as far in 30 minutes. How far can the professional runner run in 30

The president may serve a maximum of terms in office.

A person who takes in more calories than they burn will a. lose weight. b. gain weight. c. maintain weight.

The Commonwealth ended in when was invited back to England as King.

what is one-tenth of 12.5?

how did scientific names impact classification

Earthquake waves that vibrate from side to side and up and down only through solids are known as ______.

what defines the group of organisms referred to as protist

DNA, amino acids, and proteins are all molecules that play a vital role in your life, even though you have never seen them. In fact, these three types of molecu

Why does the second amendment cause controversy