Who can help with bio test 15 muti choose answer p. s ill pay

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Which layer will become saturated first when rain falls?

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