The answer is A:<span> Metamorphic rocks</span><span> may display two different grain sizes.</span> :)
Answer:
The Paramecium reproduce asexually. You can tell because there is only one needed to reproduce.
Answer:
Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery.
Explanation:
