Temporales y naufragios

"A survey of the history of piracy and lives of pirates covers such specifics as the invention of the Jolly Roger, discipline aboard pirate ships, and pirate ruses."

Basic concepts about electricity. Topics include: CA circuits, Serial and parallel circuits, transformers, power distribution and circuit repairs. With questionnaire. Ideal for high-school and college.

Postmodernism represents incredible challenges, but the beauty is that we can find in the Bible many characters who had to confront similar tests to the ones we face today.

Una mariposa madre pone huevos. Los huevos se convierten en orugas. ¿Pero qué sucede después? Descúbrelo en esta observación paso a paso del ciclo de vida de la mariposa. A mother butterfly lays eggs. The eggs hatch into a caterpillar. But what happens next? Find out in this step-by-step look at the butterfly life cycle, now in Spanish.