The answer to this question is C. Depressants
Answer:
it is used to make alcohol
it is used in bread industries
it is used to clean up the environment
Explanation:
The answer is spicules. These
sharp-pointed structures are formed from calcium carbonate skeleton of
the organisms. They can also be formed from silica. They can be big (megascleres),
or microscopic (microscleres). Also dependent on the number of axis on the spicules, they are classified as monoaxon,
triaxon or polyaxon.
