Evidence left behind by participants or observers is an example of what kind of resource? A) primary B) hearsay C) secondary D) hieroglyphics

the text includes parts of primary-source interviews with enslaved people to illustrate the difficulty of life on a sugar plantation in louisiana.

explanation:

what can i you with?

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).