Does the model below represent a mixture or a substance ?

Who was the democratic nominee for president in the election of 1868? a) ulysses s. grant b) horatio seymour c) samuel tilden d) charles sumner

The nile river is referred to as the giver and taker of life. explain what this means.

A. what was the women's rights movement? b. what was the temperance movement? c. what was the second great awakening? d. what was one education reform?