Which of the following is a pure substance that can't be separated by physical means, and can't be decomposed into other substances by chemical means? question 1 options: compound mixture element molecule

Your answer is C. element

The answer is option C

Explanation:

ELEMENT: A substance that cannot be disintegrated (broken down) into simplistic substances by conventional chemical medians. For instance: gold, iron, carbon, hydrogen, oxygen, nitrogen. Every element possesses individual physical and chemical characteristics.

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

wavelength divides in half and speed stays the same.