american hardcore punk combined with heavy metal riffing (al a Black Sabbatj) and hardcore rock type tunsmithism was known as

Answerthe paleolithic period;

Iwould go with write exactly two extra paragraphs to point out additional information. but the keyword "exactly" throws me off. leads me to believe it's d. go with your gut feeling. either "write exactly two extra paragraphs" or "none of these".

The answer is true just took the test k12