By the end of this section, you will be able to do the following: Explain the Phillips curve, noting its impact on the theories of Keynesian economics; graph a Phillips curve; Identify factors that cause the instability of the Phillips...

Read about how oxidation-reductions affect our everyday lives. View how atoms, molecules, and ions are reduced during the oxidation-reduction process. Learn how some of the normal chemical reactions in the body can change DNA. Use the...

Listen and learn about oxidation numbers and how they are assigned, used in products such as fertilizers, and the formulas representing them. Get answers to questions about oxidation numbers such as what oxidation is, what's the reducing...

A family shows some of the ways they reduce their energy use. Book includes audio narration in nine additional languages with text in English.

Understand the structure and function of the human lymphatic system.

This 27-page booklet explains the Clean Air Act using everyday English.

AC circuits with capacitors and inductors respond to the frequency, as well as the voltage. Find the frequency value that reduces the circuit power to half the maximum.

Reduced barriers to trade and communication across international boundaries have changed politics, culture, and economics across the globe.

Listen and learn how the battery converts energy using voltaic cells. Learn how anodes and cathodes aid in oxidation and reduction. Discover how voltage and electrolysis direct the current.

PDF comic book character, Sonia, a 6th grader, meets several future versions of herself and learns about saving for retirement.