Cómo cambia el agua (How Water Changes)

This book describes dump trucks called off-highway trucks, explaining their operating equipment and dumping beds, fuel, and jobs.

Una incisiva colección de ensayos, donde Jonathan Franzen vuelve con renovado vigor a los temas, tanto humanos como literarios, que le han preocupado durante mucho tiempo. Bien sea narrando su violento encuentro con cazadores furtivos en Chipre, bien sea señalando de forma aguda y conmovedora cómo el abuso de las nuevas tecnologías está erosionando el sentido de la intimidad, Franzen cumple en cada uno de estos textos la promesa implícita de llegar hasta el fondo y no escatimar nada. Así pues, estos ensayos dan fe de una inteligencia madura que se interroga sobre la identidad, el...

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).

Young Readers Will Identify That Goods Are Objects And Services Are Activities That Can Satisfy People's Wants.

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause. This 6-Pack includes six copies of this title and a lesson plan.