What are some ways that bacteria are useful in the world today? (choose all that apply)
to develop new medicines to fight diseases
to study a wide range of illnesses
to clean up oil spills
to cause illnesses and infections in humans

Which type of neuroglia is found outside of the brain?

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

What is the difference between a scientific hypotheses and a scientific theory?