When you use toothpaste, part of a protist is to smooth and clean your teeth. which part of the protist and type of protist are most likely responsible for this benefit to humans? a. cell walls; plant-like b. flagellum; plant-like c. spores; fungus-like d. cilia; animal-like

The correct answer would be A. cell walls; plant-like

Diatoms are unicellular algae which belong to kingdom Protista.

Their cell walls are made up of organic material and silica.

The silica obtained from diatom has abrasive properties which help in polishing the materials which are soft and easy to damage.

Due to this reason, diatoms are used in toothpaste and tooth powder and are occasionally used in bath products such as soaps.

answer; /// i believe the correct answer is (reactants);