How long have people been debating the idea of evolution?

In this experiment you were asked to present three possible mechanisms. describe those mechanisms here and include drawings of those mechanisms. how will the bromination of trans-cinnamic acid and trans-stilbene allow you to distinguish between the three possibilities? what would you expect to find in your data in each scenario?

When water freezes, it . contracts expands

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?