Which commission or agency is responsible for preserving important us historical documents like the declaration of independence?

a. federal trade commission
b. nuclear regulatory commission
c. environmental protection agency
d. national archives and records administration

D.National Archives and Records Administration

NARA which stands for The National Archives and Records Administration is an autonomous office of the United States administration entrusted with the maintenance and preservation of archival manuscripts. The National Archives and Records Administration is formally accountable for managing and distributing the authorized authoritative representations of documents of Congress and other agencies.

there are treatment options for depression (mdd) that may work for you. one way of treating depression may be to affect the levels of certain chemicals that brain cells use to communicate, called neurotransmitters. scientists believe that certain neurotransmitters may be out of balance in depression.

although the exact way depression medications shown to ease overall depression symptoms in some people work is unknown, scientists think that some medications work by affecting the levels of a neurotransmitter called serotonin in the brain. other treatments work by affecting the levels of other neurotransmitters like norepinephrine or dopamine.

answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck