Can you help me with this it shouldnt be to herd it’s seventh grade

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

Which two levels of the spine that can undergo flexion and extension?

Describe the concept of interval training. what is the benefit of this type of training?