prairie {Ans: wide area of flat or rolling grassland.}abandon {Ans: leave.}proposal {Ans: an offer.}dwellings {Ans: houses.}continent {Ans: one of the seven large areas of land on the globe.}raided {Ans: entered someone's property for the purpose of stealing.}North America {Ans: one of the seven continents in the world. Bounded by Alaska on the northwest, Greenland on the northeast, Florida on the southeast, and Mexico on the southwest.}carbon dating {Ans: finding the age of ancient objects by measuring the amount of carbon in them.}culture {Ans: a group of people who share a set of belief, goals, religious customs, attitudes, and social practices.}prehistoric {Ans: the period of time before recorded history.}archaeologist {Ans: scientists who study past human life by looking at prehistoric fossils and tools.}mammoths {Ans: large, hairy, extinct elephants with tusks that curved upward.}European {Ans: a people who comes from the continent of Europe.}Asia {Ans: the world's largest continent with more than half of the Earth's population.}Great Lakes {Ans: five large lakes located in North America at the border between Canada and the United States. The names of the lakes are Superior, Michigan, Huron, Erie and Ontario.}minerals