Surface culture is a tangible norm that is used to define the culture for example food, clothing, art.
Deep culture is ones thoughts, feelings, or personal opinion on that culture.
You could probably use the public education system for both of those definitions. Hope this helps!
B. 1 millivolt is equal to .001 volt
I'm guessing B or C. Either one of them
Convert to Hz from MHz: 88.9 MHz x 1x106Hz /1MHz = 8.89x107 <span>Hz </span>