In the circuit diagram what does the symbol made of two long lines into short lines with a positive and negative sign in each and represent

Create a piece use function with at least two functions explain using complete sentences the steps of graphing the function. graph the functions

Which country’s foreign policy is designed to threaten u.s. economic superiority? china russia iran japan

Brainliesttt !me : ) -what have some nations done to protect their national culture? (france, china, and india)