The answer is D. Because the bird has to be noticed and the brighter the feathers the more likely the chance to be noticed.
Answer:
A. Many dinosaurs were present in upper layers of rock strata, but not in lower layers.
Explanation:
In my opinion, this is the best possible answer.
First stage is peat, then followed by lignite, bituminous and anthracite. Mark as branliest tq
Just so you know it’s a blank picture