James got sick with an infection called bronchitis. He coughed a lot and had trouble breathing. After a week, James started to feel better and could breathe more easily. James’ system was most harmed by the bronchitis, and his system helped him recover.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Energy stored in the bonds that hold together the atoms and molecules of all substances is called a. kinetic energy. b. electrical energy. c. mechanical energy. d. chemical energy.

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.