Study the image of a fossil below. how might a scientist use this fossil to learn more about the history of life on earth?

The rate at which molecules water and oxygen can enter a cell is determined by the-

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

What is the primary function of the nervous system?