The manufacture of which of the following products involves using materials that once belonged to a protist?
A)cosmetics
B)filters
C)chalk
D)marble
E)all of the above

Question

Quizplus · Accepted Answer

Diatomaceous earth, derived from the fossilized remains of diatoms (a type of protist), is used in cosmetics, filters, and as a component in chalk. Marble, however, is not related to protists.

The Manufacture of Which of the Following Products Involves Using