Can you think of any 'disadvantages' that became advantages later on in Nature? List three.

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

The function of the excretory system is to control homeostasis and