Answer:
who's there???????????????????????????????????????????????????????????????????????
Punctuation is the symbols you place in a sentence in order to structure it.
Examples of punctuation: period, exclamation mark, question mark, comma, colon, semicolon, etc.
A noun is a person, place or thing if that helps.
The energy is being transferred from his arms to the ball since the ball gets into motion while his arms go into a calm position.
