During the citric acid cycle, acetyl-CoA combines with a 4-carbon compound to form citric acid (a 6-carbon compound). Acetyl-CoA is then broken down through a series of reactions, releasing energy in the form of NADH, FADH2, and ATP, and producing carbon dioxide as a waste product.

Mg(OH)2 will form a base when dissolved in water.

After World War II, American policymaker George Kennan came up with the idea of containment, which stressed stopping the further spread of communism using financial and military means. [ The Marshall Plan was more effective because it stabilized many countries, making a radical ideology, such as communism, unattractive to the people of those countries and it protected more countries than military intervention could. ]