Answer:
Vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease." ... The immune system develops antibodies to the disease so that it cannot make you sick again. Immunization describes the actual changes your body goes through after receiving a vaccine.
Answer:
-4 is greater than -6 because it's closer to being a positive number than -6 is
It can prevent colon cancer lol
It would be B. i hope i helped you out, have a nice day