The answer to this is Heat because it helps the rock molten and vicious.
Medulla is a set of cells that run through a piece of hair. Forensic scientists use them to determine which creature the hair came from.
Changes in temperature, salt concentration, ionic concentration, of pH levels
Answer:
<em><u>In general, litmus paper is red below a pH of 4.5 and blue above a pH of 8.3. If the paper turns purple, this indicates the pH is near neutral.</u></em>