The most likely place for the United States to expand in the early 1800s was into Canada.
into Mexico.
west of the Mississippi.
east of the Mississippi.

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

How did the actions of tsar nicholas 2 and his wife lead to revolution in russia