Some types of bacteria can go through the process of photosynthesis.
True
False

What are the four basic classes of organic molecules how do they differ structurally and functionally

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

What advantages does a pedigree have over a written passage?