Answer:
Upgrade the fashion......
In North America you tend to see a lot more of them in the Western States and provinces than you do down East. I am currently out in the oilfield working on one of their reservations at Loon Lake, Alberta.
I hope this Helps.
Can I have brainliest?
C. It decreases in wave speed.
<span>Period of a wave is the time needed for one complete cycle of vibration to pass a given point. Frequency and period have a reciprocal relationship. Frequency can be similarly thought of as speed of a wave.</span>
