Why is evolution classified as theory even though it has a lot of research and evidence available?

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

What processes would you expect to be key in the production of yogurt ?

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the