The answer is D hope this helps
Answer:
A. Mutualism
Explanation:
<u>Mutualism</u> The bristle worm living with the hermit crab.
Answer: Differences of opinions, ethics, and rivalry possibly
The answer is the atoms of the reactants have combined to form a new substance. Every product of a chemical equation has to be a new substance. If their is no new substance then, a chemical change never occurred and there is no chemical equation. The new substance never has the same properties as the reactants. That's why they call it a "new" substance. Also, the atoms are the ones that combine. They are not mixed
