Sand-martin Sentence Examples

Martin Luther King, Jr. envisioned a world where his children would not be judged by the color of their skin, but by the content of their character. In a tumultuous time, Martin Luther King, Jr. led a civil rights movement that focused on nonviolent protest. Martin Luther King’s vision of equality and civil disobedience changed the world for his children and the children of all oppressed people. He changed the lives of African Americans in his time and subsequent decades.

A heterogeneous mixture is simply any mixture that is not uniform in composition — it's a non-uniform mixture of smaller constituent parts. By contrast, a mixture that is uniform in composition is a homogenous mixture. For the purposes of this discussion, “not uniform” means anything that clearly has different parts visible to the naked eye or that could be easily separated from each other. You can find many examples of heterogeneous mixtures in solid, liquid and gaseous form throughout nature.