Practice
multiple choice
what material was baked under high heat to create a
filam...
![subject](/tpl/images/cats/biologiya.png)
Biology, 24.10.2019 20:43 jennychen2518pbmirn
Practice
multiple choice
what material was baked under high heat to create a
filament for an electric lightbulb, causing it to glow for 13
hours?
a
titanium rods
b
sewing thread
c
copper wire
d
horse hair
![ansver](/tpl/images/cats/User.png)
Answers: 1
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