Agua

Why do we need food to live? Find out in this informative title that explains the importance of food to all living things.

Examines different kinds of relationships, discussing why they work and what to do when they do not work.

Uncovers the secret codes that different animal species use to relate to each other, revealing that communication among certain animals is not different from human communication.

"Campus Sur es un nuevo curso intensivo de español para universidades creado: •Para los que trabajan en el ámbito universitario y quieren un manual eficaz en ese contexto. •Para quienes buscan un enfoque panhispánico: los países de América Latina y España están ampliamente representados. •Para los profesores que quieren experimentar técnicas de clase invertida (flipped classroom). Las unidades permiten que los alumnos y las alumnas trabajen previamente de forma autónoma y luego, en el aula, de manera colaborativa. •Para los que buscan trabajar con documentos variados,...

Civil rights leaders are people who make sure that the laws of the United States are fair for everyone, regardless of their race, religion, or gender. One of the most influential men of our time was Dr. Martin Luther King, Jr. EL DIA DE MARTIN LUTHER KING, JR.—HONRAMOS A UN HOMBRE DE PAZ is a Spanish-only edition discussing the man behind this day.

A 2014 survey by the Substance Abuse and Mental Health Services Administration showed that 8.7 million youths ages twelve to twenty reported drinking alcohol beyond “just a few sips” in the previous month. Those who start drinking before age fifteen are five times more likely to become dependent on alcohol than those who begin at twenty-one. This resource shows young people how to help a friend who is abusing alcohol. It arms them with facts about alcohol, how it affects the teen mind and body, how to look for signs of a problem, and how to bring others on board to help.