These single-celled organisms can be pathogenic but some can also be edible. A.
bacteria
B.
viruses
C.
protozoa

The majority of early psychological research reflected the a. differences among males and females b. concerns and interests of minorities c. differences among various cultures d. concerns and interests of white males select the best answer from the choices provided a b c d

Water pollution cannot only affect the earth's water supply but it can also affect the soil true or false

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.