In the rock cycle, if any type of rock is broken down into little pieces, it changes into rock.

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Which phrase best describes the main goal of a human community