Given this definition, it is reasonable that the quantity frequency would have units of cycles/second, waves/second, vibrations/second, or something/second. Another unit for frequency is the Hertz (abbreviated Hz) where 1 Hz is equivalent to 1 cycle/second.
D.) Cycles per second
Answer:
It is D because I had the same problem and I got it right
Explanation:
I got it right trust me
Answer:
It simply means a piece of literature or art.
Another meaning is the "structure" of something.
Answer:
He wasn't normal. Not by a long shot.
Explanation:
I hope this helps! I don't know what the topic is about, but I thought this was pretty general. You can substitute He with She or They if needed :)