Farmers cultivate many crops asexually it leads to a variety of results the crops are the same as the previous crops it will give them new types of foods they are easier to harvest

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