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

Plateau Indian tribal leaders were chosen based on hereditary rules. likability. merit. social status.

Let f be defined as shown. What is f^-1(-3)

8. Find an equation in standard form for the ellipse with the vertical major axis of length 16 and minor axis of length 4

According to Professor Takaki, race in American society has been a social construction that historically:A. corrected itself through time. B.played a small par

what are the advantages and disadvantages of migration in economics

Answer the following question on the basis of the information about the hypothetical economy of Nanawaiya. All figures are in the millions. Not in the labor for

implications of game theory

Find the slope of the line that passes through (6, 4) and (4, 1).

What iis 155 plus 33 minus 4 divided by 2

Question Mode Fill in the Blank Question Fill in the blank question. The ABC Company had its highest level of production in May when they produced 4,000 units a