Progeria is a rare genetic mutation that causes premature aging in approximately one out of every 4 million people. what is the likely sequence of event that causes progeria? 1) excessive division of cells results in excessive RNA mutation
2) a change within a gene results in variation within a protein
3) the encodes DNA sequence creates a specific type of mutated cell
4) a mutation within aq gene results in mutation within a chromosome

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.