In the past, some scientists accepted the theory of spontaneous generation. This theory states that organisms can arise from nonliving matter Now scientists generally accept cell theory to explain the origin and growth of new organisms. Which of these statements is a key idea of cell theory and a rejection of spontaneous generation?

c.more precipitation,but only when emission levels.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

b a mature ovary of a plant.