What is biotic interchange?

What are these red seeds on your bed every day? A composite volcano is most likely to form where? Can two positive charged bodies attracted? City located at 34 degrees South and 56 degrees West? Why couldn't the US get a big magnifying glass or something like that to keep the temperature warmer in the winter? Is it true the smaller the temperature differences the stronger the wind will be? Does The nucleus of a cell in your heart muscle contains the same genes as the nucleus of a cell in your skin? Why a larger rain drop falls faster than a small rain drop? The amount of energy produced during nuclear fission is related to what? Is 5 millimeters more or less? Which great lakes state is divided into two large peninsulas? What is a penencela? In which month is it winter in Australia? What does water have to do with air temp? How many kilometers will an average plate have moved during the lifetime of an 80-year-old person? What will form a solution with chloroform? When did Walter sammons invent the hot comb? What is more reactive oxygen or selenium? Weather forecast May 23rd May 24th? How does geography dictate life in Georgia?