What four factors affect the steps of the water cycle?

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

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