Diatoms are Algae Whose Silicon Dioxide-Containing Shells are Useful Economically

Question

Diatoms are algae whose silicon dioxide-containing shells are useful economically as
A)filters.
B)fertilizers.
C)stabilizers.
D)thickeners.

Accepted Answer

Diatoms have shells made of silica, which are very effective as filters due to their porosity and mechanical strength. They are used in a variety of filtration applications such as water treatment, aquariums, and even in the production of beer and wine. While they can also be used as fertilizers, stabilizers, and thickeners, their most useful economic application is as filters.