Please im in class right now Extinction Level events have happened throughout Earths living history. In a paragraph or more...please explain how these events can occur but then result in more life and greater diversity of species afterwards. Include in your answer what types of theories have been used to explain such events.

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.