How is the dna described and what does this mean?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals