Why do the inner walls of a vacuum flask have a silver coating?

Question: Why do the inner walls of a vacuum flask have a silver coating?

it prevents heat transfer by radiation and the  walls stops heat entering or leaving the flask by conduction.

Explanation: so as you can see all these parts play a roll to keep ceartain things safe to keep things in and what needs to go out it lets it go out

question answered by

(jacemorris04)

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

1 a

2 d

3 a

4 c

explanation: