It takes Stephen 12 minutes to drive to school. His route is 16 km long. What is Stephen’s average speed on his drive to school?

Did you know that a blue wales tongue weighs more than an elephant?

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

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