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

The regulatory authority will hold you responsible for ensuring that a. guests use clean tableware when returning to self-service areas. b. meat is checked fo

Find any solution(s) of x=2x+1 and select the correct statement. Question 22 options: The equation has one solution and one extraneous solution. The equation ha

7. Juan got his haircut for $15.00 and left a 15% tip. What is the total bill including the tip?

Compared to the Earth's crust as a whole, the depth of sedimentary rocks beneath the ocean bottoms are ________

__________ implements a security policy that specifies who or what may have access to each specific system resource and the type of access that is permitted in

which statement best describes the world’s superpowers since the end of world war ii?

Please help. I will give brainliest + 50 points.

2. Identify What are three ways a rock can change during metamorphism?

Which equation could have been used to create this graph? y = x + 5 y = x + 2 y = 10x y = 5x no links pls-

I NEED ANSWER NOW ASAP