3mathematicsIn order to estimate the population of fish in a lake, a biologist catches 75 fish, marks them, releases them. Next month she catches 75 fish and finds that 5 are tagged. Use this to estimate the fish population in the lake.Show AnswerLearn MoreShare
3gamesWhat is the name of the star system in which the "Star Fox" universe takes place?Show AnswerLearn MoreLearn MoreShare
3geographyWhich one of these cities is called the "Eternal City"? Paris, Rome, Athens, or Jerusalem?Show AnswerLearn MoreShare
3otherWhich person, in the 1920's, developed the method of freezing foods in small containers?Show AnswerLearn MoreShare
3productsWhich company introduced the first commercially successful ballpoint pen in the United States in 1945?Show AnswerLearn MoreShare
3productsWhat kitchen appliance brand is known for its iconic red stand mixer?Show AnswerLearn MoreShare
3moviesThe female Danish writer Isak Dineson spent 20 years in Kenya on a coffee plantation, and wrote what autobiographical work in 1937 which became a film in the 1980's?Show AnswerLearn MoreShare
3lawWhat term describes a lawsuit brought by one person on behalf of a larger group?Show AnswerLearn MoreShare
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