How could decaying leaves affect the rocks in soil underneath them

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 is the correct formula for photosynthesis

Which pair of organizations is most closely related to primates?