Jillian is a 69-year-old woman. Lately, she has been having difficulty remembering things, and she is also getting into meaningless quarrels with her family members. Jillian's symptoms are most likely associated with the deficiency of in her diet.

Vitamin B12

Explanation:

Vitamin B12 is the vitamin that maintains blood cell and nerves properly functioning and healthy for producing DNA. Deficiency of vitamin B12 can lead to tiredness,anxiety, memory difficulties, weakness, numbness, anger etc.This can be treated through supplements and proper diet.

According to the question,Jillian is experiencing vitamin B12 deficiency from her diet because of which she is facing memory problems and difficulty in remembering things along with quarreling mood.

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the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.