Answer:
no
Explanation:
matter can neither be created nor destroyed so all matter is reused
Very... Reproduction at both the molecular level to help maintain and repair itself through production of cells is important for self-preservation. Additionally reproduction allows survival of genetic material to offspring.
Answer:
Question 7:
C
Question 8:
C
Explanation:
Question 7:
If the pH number is smaller, the solution is more acidic. In turn, this means that it contains more H+ ions that OH- ions
Question 8:
A buffer is a solution that can resist pH change upon the addition of an acidic or basic components. It is able to neutralize small amounts of added acid or base, thus maintaining the pH of the solution