Select the choice that best completes the following sentence:
a barometer measures
a. temperature
b. density
c. air pressure

Diagram of the evolution of land plants?

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 statement best compares aerobic and anaerobic respiration