I think burgess shells would be the answer
What are the other answers?
I do not think it is A.
Is Simmering an option?
Answer:
Well for one photosynthesis gives out oxygen. This makes all animals able to live. So in that way it helps us and the world around us. Without photosynthesis we also could not eat food. No animals could live and no plants ould live. VERY IMPORTANT!
Explanation: