Scientists use a variety of tools to learn about the history of the earth, evolution, environmental change, and its effects. Which type of evidence is most affected by human error (and thus less reliable)? fossils and the fossil record
rock core samples and strata
mathematical and computer models
areas of impact

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 plants use sunlight to make food, the energy of sunlight is

Which are reasons cells undergo cell division?