D . special bread i think
Answer:
A signal is an electromagnetic or electrical current that is used for carrying data from one system or network to another. The signal is a function that conveys information about a phenomenon.
In electronics and telecommunications, it refers to any time-varying voltage that is an electromagnetic wave which carries information. A signal can also be defined as an observable change in quality such as quantity
Explanation:
thats it
The correct answer is:
government intervention is needed to guarantee that Americans will support the war.
"Be sure to remember" because it outlines that whatever the instructor is about to say is important.