Which ancient civilization relied primarily on underground rivers, springs, and lakes to support their cities? a. mesopotamian b. mesoamerican c. egyptian d. chinese

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

What do both article ii of the arizona constitution and the first amendment to the us constitution grant? check all that apply. right to assemble right to legal search and seizure freedom of the press freedom of religion right to maintain a militia