Why might Americans have known little about the land west of the Mississippi River in 1803? a. The part of the U. S. between Canada and Mexico is the continental U. S.
b. Americans had not lived west of the Mississippi River before 1803.
c. Meriwether Lewis was a captain in the U. S. military.
d. Merithewer Lewis adn his men drew about 140 maps of the western United States

What does one prolonged blast and one short blast mean?

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities

Which statement correctly explains land ownership in arizona?