I'm pretty sure the answer is Trace fossils
Hope this helped
Answer:
Sunlight plus carbon dioxide and water make plant food.
Explanation:
I just did this question and got it right. That's how I know this is the answer. Good luck everyone.
Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact on other species that depend on the grass for their survival. The significance of the elephant in this example is B. keystone species.
2. sodium ion that has lost an electron
I don't have enough information but it could be natural selection or mutations.