What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?

All haircolor products are organic chemicals, which means they _____.

The path of an electric current from the generating source through the conductors and back to the original source is a(n) _____ electric circuit.

What type of chemical reaction results in the oxidizing agent being reduced and the reducing agent being oxidized?

What term refers to substances that speed up chemical reactions?

What state of matter has a definite volume but takes the shape of its container?

The simplest form of chemical matter that cannot be broken down without the loss of identity is a(n) _____.

A(n) ____ is a solid-state device that allows current to flow in both directions.

Positive temperature coefficient (PTC) thermistors increase their resistance as their temperature ____.

Water is absorbed through ________ across the epithelial lining of the GI tract and into blood capillaries.