Matokeo ya Utafutaji

A lethal germ is unleashed in the U.S. mail. A chain of letters spreads terror from Florida to Washington, D.C., from New York to Connecticut, from the halls of Congress to the assembly lines of the U.S. Postal Service. Five people die, and ten thousand more line up for antibiotics to protect again... More

Merrill Physical Science will help you understand science principles and recognize their applications to everyday life.... More

This textbook will be your guide through the major topics of physical science. ... More

Do you always assume there's someone "out there" who will find solutions for problems our world faces? What if that someone is you? This introduction will tell you about tools you can use to solve problems and make discoveries about our world.... More