What makes an energy source renewable?

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?

Modern whales developed their traits through natural selection what occurs during the process of natural selection

What is used to keep track of the gamates and possible offsprings combination