Flvs science
use the diagram to write the erect responses in the column to the right of the image.
write "a next to the youngest layer.
write "b" next to the oldest layer.
write "same" next to the layers that have the same fossils
write "top"next to the youngest fossil.

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