In step two of experiment 4, you add sodium hydroxide to copper(ii) nitrate and use a stirring rod to test if the solution is basic. how do you establish whether the solution is basic? (explain what else is needed, what observations are made, and what should be observed if the solution is basic).

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

What did justice brown’s verdict in plessy v. ferguson state?

Pick a famous politician, business leader, or celebrity who has been arrested recently. what crime did he or she allegedly commit? who was the victim? what factors best explain how this person might be punished if convicted? if the person was recently tried in what was the outcome? do you agree or disagree and why?