Answer:
A. homeostasis by removing urea, water, and other wastes in the blood.
Explanation:
The kidneys function to remove waste and excess from the body by urination.
The correct answer is B. "Educating people about substance abuse." This
is because Health promotion must be an indirect attempt to influence
public health. Bans on smoking and testing food products both directly
impact public health by controlling what people can do or consume.
Education is indirect, as it lets people know about the topic, in this
case substance abuse, but ultimately leaves the direct action in the
hands of the individuals.
