The pond behind the high school had extra phosphate runoff into it after a storm. The pond had a then sheet of Algae form across which is harmful to the
organisms in the pond. What is this an example of?

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

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

Differentiate renewable and nonrenewable resources