Pattern of lines that intersect maps​

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

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 are the three groups of atoms that make up amino acids called