How do you react to a sudden noise?

How are labor unions today different from ones in the early 1800s? Can you use kitty litter to clean up acid spills? Does water have nutrients? Is the careful use of your planets resources called condensation or conservation? Dad is US citizen but you were born in Mexico are you a US citizen? How have humans modified the physical environment since the development of agriculture? What is cape cod's human environment interaction? What is the effect of plastic on land? How do you save the earth today? What should you do if your dad threatens to beat you black and blue and smash your puppy head in? Which part of a nuclear power plant converts ME of turbines into EE? How much money does Finland give to other countries for aid? What do you do if you are a lesbian and have a crush on a girl but can't tell if the girl likes you? What can I do if my friends tease me with a ugly girl's name? What are all the names of alternative energy sources? What is a transgendic organism? How do people steal identity? How long have we had greenhouse Gases? Should less developed countries care whether their surplus workers emigrate or remain as employees of foreign campanies? How do heavy metals get into your water supply?