Some information about bacteria and viruses is arranged in this table. Which argument about bacteria and viruses is supported by this information?

A. Bacteria are larger than viruses but are still small enough to enter cells.

B. Both bacteria and viruses are surrounded by protective coverings, through the composition of each covering may be different.

C. Only bacteria can acquire new characteristics, which makes them more difficult to treat.

D. Bacterial infections such as diphtheria and tetanus cannot be prevented by vaccines.

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.