Davina Gonzales doesn't think she's anything special, even though her uncle is a world famous detective. She and her friends Fabiola and DeBrina are like most seventh-grade girls in rural California. But Davina's life takes a strange twist when she gets an old radio for her twelfth birthday. It runs without electricity or batteries. It always plays her favorite songs. And it warns her that if she doesn't solve a mystery her best friend will die! The radio gives out riddles and puzzles to help her solve the mystery. Follow the three friends as they race against time to crack the clues and save DeBrina.
Polar Seas Oceanography describes a new tool called the Generic Model System for simulations and assessment of potential radioactive spreading in the Arctic regions, through rivers, estuaries, regional seas and the Arctic and Atlantic basin. It considers the present and future potential for spreading of radionuclear pollution from sources, such as from the major Russian processing plants through Siberian rivers as well as from European sources such as the UK Sellafield plant. The book provides support for decision making involving risk prevention, forecasting and readiness for probable crises, alerting and detection, relief and mitigation and damage assessment. It will be useful to managers, scientists and PhD students in the area of environmental nuclear safety. The book combines the expertise of professionals from the radionuclear and climate-change sciences.
It's a royal celebration for Belle, Tiana, Jasmine, and the other Disney princesses as they celebrate their birthdays! This Step 1 Deluxe Step into Reading leveled reader is perfect for children ages 4 to 6 and it comes with more than 30 sparkly stickers! Step 1 Readers feature big type and easy words. Rhymes and rhythmic text paired with picture clues help children decode the story. For children who know the alphabet and are eager to begin reading.
The object of this brief treatise is to give a simple account of the development of our knowledge of radio-activity and its bearing on chemical and physical science. Mathematical processes will be omitted, as it is sufficient to give the assured results from calculations which are likely to be beyond the training of the reader.