In 2-3 sentences and using your own experience and knowledge, think about another substance (not an item or device) that has changed our modern world. What is that substance and how has it changed things?

When top-roping is used, how long should the rope be in order to protect the climber throughout the climb?

Who were the copperheads? a. a native american tribe that rose up during the war b. northern democrats opposed to the war c. ships that ran the union blockade d. an elite force of union soldiers in the west

According to this passage, what can be expected of people appointed as judges temporarily?