Why is the symbol x avoided in algebra?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

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