You are researching different companies that analyze DNA to trace ancestry. What questions would you ask each company before you decide which company to use?

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

Which beat describes the brain stem

Select the correct answer. 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. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.