I would lean towards d, because a lot of the viking age art was made in tribute towards viking warriors, and viking warrior ships, etc..
In order to get the time, you will use the equation:
Frequency x no. of cycles = Time
so the solution will be:
<span>1050 Hz x 12 cycles = .0114 seconds
Convert seconds into milliseconds by multiplying it by 1000 which is
= 11.4ms</span>
It’s made
from a color pigment dispersed in a suspension that binds the pigment and allows it to adhere to a surface when dry.