Photosynthesis takes place in plants and plant like organisms. What do plants absorb from the air? Why is this
beneficial to the environment?

Regarding most of the narrator’s story, which word best describes the tone?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

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