Answer:
1) harm life forms that rely on carbonate-based shells and skeletons, 2) harm organisms sensitive to acidity
Explanation:
I think the answer is C. An element or compound that cannot be physically separated. Sorry if im wrong.
Answer:
use the equation Mass= RFM*Moles
Explanation:
use your periodic table
and create a little table
Carbon dioxide is a compound. Oxygen is an element. A compound is 2 or more elements chemically combined. An element is a pure substance. A mixture is combining two or more different compounds/elements.
