Answer:
hertz
Explanation:
Usually frequency is measured in the hertz unit, named in honor of the 19th-century German physicist Heinrich Rudolf Hertz. The hertz measurement, abbreviated Hz, is the number of waves that pass by per second. For example, an "A" note on a violin string vibrates at about 440 Hz (440 vibrations per second).
Answer:
where is the quote at?
Explanation:
if i cant see it i cant answer it sorry
Pretty sure the answer is C!!
Answer:
it's the main point.........
