CCC Stability and Change Major geologic changes often go hand in hand with mass extinctions. Why do you think this is true?

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea. c. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. d. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated.