Primeros Ejercicios de Calculo

Amusing And Engaging Text Describes How The Color Of An Animal Can Ensure Its survival. Provides Examples Using A Variety Of Animals.

"Amelia Earhart was a woman of many ""firsts."" In 1932, she became the first woman to fly solo across the Atlantic Ocean. In 1935, she also became the first woman to fly across the Pacific. From her early years to her mysterious 1937 disappearance while attempting a flight around the world, readers will find Amelia Earhart's life a fascinating story."

"Mauro se lleva bien con todos los animales del bosque, pero le gustaría tener un mejor amigo ..."--P. [4] of cover.

Following the stock market crash of 1929, the United States plummeted into the Great Depression and unemployment soared. But when Franklin D. Roosevelt took office the following year, he enacted federal programs, financial regulations, and public works projects to boost the economy and put America back together. In this instructive volume, students will discover fascinating facts and little-known details about this series of reforms, called the New Deal. They'll also be able to choose from a variety of hands-on projects, from map-making to writing and performing a speech to designing and...