What is the name of the treaty signed by Canada and the United States that was meant to help control pollution along a portion of their shared border

Why was frederick douglass encouraged by the dred scott decision?

The defendant, angered because a rival gang member had twice beaten him up after school, obtained a heavy lead pipe and waited in a deserted alleyway which he knew the rival took as a route home every day after school. when his enemy came walking down the alley, the defendant leapt out behind him and smashed the pipe into the victim's head, knocking him to the ground. the defendant then rolled the victim over and pounded his face with 15 to 20 heavy blows with the lead pipe, killing him. the jurisdiction defines first degree murder as murder committed with premeditation and deliberation. all other murders are defined as second degree murders. why will the defendant be convicted of first degree murder (as opposed to second degree murder)?

Identify a true statement about media multiplexity. the choice of medium is primarily important in determining the strength of relationships. weak ties are uncomplicated and do not need many channels to sustain them. tie strength plays an insignificant role in determining the number of media employed by pairs. strong ties require less media than weak ties to orchestrate their varied and interdependent connection.