Hi hello can anyone please help me

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

Give a brief summary/define the holocaust - who was behind it, how it began, what was the goal, and where did it take place? (8-10 sentences). be sure to include at least 2 pictures or a timeline

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?