According to this diagram, which line color denotes the universal common ancestor for all 3 domains of life? A. Blue

B. Red

C. Tan

D. Black

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

What is the difference between a scientific hypotheses and a scientific theory?

Jane has a sprained ankle, and her doctor gave her a prescription that states: “ibuprofen caps 200 mg tid po.” what does this prescription say, in spelled-out form?