The light must be either very dim or else non-existent.
We can't see the light wave or the label.
Superheated water is liquid water under pressure at temperatures between the usual boiling point, 100c (212 F ) and the critical temperature , 374 C (705F) . It is also known as “subcritical water”
Or “pressurized hot water”.
Answer:

Explanation:
From the question we are told that:
Sound level intensity

Generally the equation for intensity level is mathematically given by

Where
I= Intensity measured






239.583 days is the answer