Properties of polysaccharides​

Found evidence that the continents were joined together at one time.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

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