Ambrose bierce belonged to which literary movement?
a. romanticism
b. realism
c. naturalism
d. neoclassicism

Option B, realism

Explanation:

Ambrose Bierce was considered as a realist author. He wrote about realtic events or happenings.

In his marvelous work   "An Occurrence at Owl Creek Bridge" , he in depth explained the troop formation and military arrangement structure and also criticized the nation/regions involved in civil war. Since realism could be seen in  his work & ideology, he supported realism movement which was launched to oppose the literary movement of romanticism. Bierce being a cynical person since childhood believed in living a purposeful live in synchronization with natural environment.

Thus, option B seems to be the correct answer

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation: