How did black Saturday get its name?

What lands were named after explorer A. Vespucci? What is 1000 cemiliter equal to? What is 17 times 8? To the nearest degree what is the latitude of South America's northernmost point? What plate is getting significantly smaller? Name all proteins? How can heat make water move? What is the fastest animal? How do you differentiate between pure water and mineral water without tasting them? Why is ATP generated in photosynthesis rather than using light energy to directly synthesise carbohydrates? Is a giant sequoia tree living or nonliving? Which term identifies a group of cells that work together to preform a similar function? What are the names of the internal layers of the earth and what is the composition of each layer? What is the source of the gains from trade? Will a floating solid sink if the liquid is heated? What is called ecological food? Where do the two neutrons and two neutrons that consist on alpha particle come from? Is regeneration considered as asexual reproduction? How do you determine the actual mileage beyond 100000 miles on a 1985 Fifth Avenue when you don't know how many times the odometer has wrapped around? What is the role of variation of an elephant in the process of natural selection?