A water-treatment method in which water is filtered through a screen to eliminate chemical
contaminants and microorganisms is known as
A) reverse filtration. B) micron filtration.
C) distillation filtration. D) ozonation filtration.
Question 2
Research has shown a consistent and strong link between taking beta-carotene supplements and
a reduced risk of developing cancer.
Indicate whether the statement is true or false
