The movement of the liquid in a thermometer shows changes in temperature. An increase in temperature indicates the molecules in the liquid
a. moved slower and closer together
b. moved faster and spread farther apart
C. contracted in size when heated
d. expanded in size when heated

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 coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

The function of the ciliary escalator is to