HELP PLEASE!! What do scientists think happens in the core to produce the Earth's magnetic field? 1. The outer liquid core becomes magnetized by the rapid spin of the solid inner core.
2. The liquid iron and nickel outer core's motion in relation to the metallic solid inner core becomes a geodynamo.
3. The solid inner core of iron and nickel act as a large magnet.
4. The liquid iron and nickel inner core's motion in relation to the mantle becomes a geodynamo producing a magnetic field.

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)

How many chromosomes are in a gold fish?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection