El clima y el tiempo

This title covers the major drivers of the Latin American region’s economy, including exports of agricultural products, petroleum and minerals, and manufactured goods, along with the service and tourism industries. Despite recent improvements, the Latin American economy remains dependent on commodity exports to the West, presenting a challenge to the region’s long-term future. When used in the classroom, this resource provides readers with the tools they need to analyze concepts in economics and how they affect the countries of Latin America.

In English and Spanish, teach children how to avoid potential dangers, ask for help, follow directions, use things carefully, and plan ahead. The world can seem like a perilous place. But even very young children can learn basic skills for staying safe in ordinary situations and preparing for emergencies. Without scaring kids (or alarming adults), this English-Spanish bilingual book about safety for kids teaches little ones how to avoid potentially dangerous situations, ask for help, follow directions, use things carefully, and plan ahead. Includes questions, activities, and safety games that ...

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

¡Stephen Hawking te transportará a otra galaxia! Seguro que alguna vez te has preguntado si hay extraterrestres viviendo en otros planetas, o si algún día podremos viajar en el tiempo, o por qué hay unos agujeros inmensos que además de ser negros pueden destruir... ¡una galaxia entera! Ha llegado la hora de aclarar todas estas dudas y si es de la mano del científico más famoso de la historia, ¡mucho mejor!

Chronicles The Louisiana Purchase, The Territory Which Reached From The Mississippi River To The Rocky Mountains, In 1803.