What is the rocky mountain crest that divides the major east- and west-flowing river systems of north america called? a. continental divide b. rocky mountain summit c. united states partition d. john muir trail

Which of the following would be of greatest concern to a speaker in presenting to children? choose only two. 1. age 2. expectation 3. ethnicity 4. knowledge 5. gender

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The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.