What is the main difference between an isotope and an ion? a. an ion has extra protons. b. an isotope has extra neutrons. c. isotopes are radioactive while ions are not. d. an ion always has a positive or a negative charge.

If you answer this i"ll give you brainiest and all these points me if you do i love you 7. a doctor is at work taking care of sick patients. she spends a few minutes trying to figure out why a particular patient is sick. she taps the patient's knee to test his reflexes. while she is examining him, the patient coughs on her. a) describe the function of the skeletomuscular system in this situation. (3 points) b) describe the function of the circulatory and respiratory systems in this situation. (3 points) c) describe the function of the immune system in this situation. (3 points) d) describe the function of the nervous system in this situation. (3 points) e) describe one way that any two of the doctor's body systems worked together in this situation. (3 points)

Differentiation of cells changes the nucleic information. true false

Study this image which statement best describes the rock shown check all that apply