What are some similarities among all four types of molecules. list as many as you can

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Twind is considered to be an abiotic factor because it.?

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