Look at the picture. Please help me with science..

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 measure of an earthquake depends on how close you are to the focus?

What is the role of dna ligase in the elongation of the lagging strand during dna replication?