The diagram shows horizontal rock layers according to the law of super position which statements are supported by the diagram?select three options

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

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