'Seawater' has been substantially updated in this second edition to take account of recent developments in marine science. Sections dealing with difficult physical and chemical concepts have been developed on the basis of feedback from the first edition, making this an ideal learning tool for oceanography students.

Chapter 1 summarizes the special properties of water and the role of the oceans in the hydraulic cycle. The distribution of temperature and salinity in the oceans and how they influence water density and movements is then discussed. Light and sound in seawater are considered next, along with some uses of acoustics. These are followed by an examination of the composition and behaviour of dissolved constituents, including such topics as residence times, the control of pH, and redox relationships.
Finally, the history of seawater and its role in global cycles is reviewed, with special reference to climatic change and the CO2 problem.

Technologies may change, but the need for clear and accurate communication never goes out of style. That is why for more than one hundred years The Chicago Manual of Style has remained the definitive guide for anyone who works with words. In the seven years since the previous edition debuted, we have seen an extraordinary evolution in the way we create and share knowledge. This seventeenth edition of The Chicago Manual of Style has been prepared with an eye toward how we find, create, and cite information that readers are as likely to access from their pockets as from a bookshelf. It offers updated guidelines on electronic workflows and publication formats, tools for PDF annotation and citation management, web accessibility standards, and effective use of metadata, abstracts, and keywords. It recognizes the needs of those who are self-publishing or following open access or Creative Commons publishing models. The citation chapters reflect the ever-expanding universe of electronic sources--including social media posts and comments, private messages, and app content--and also offer updated guidelines on such issues as DOIs, time stamps, and e-book locators. Other improvements are independent of technological change. The chapter on grammar and usage includes an expanded glossary of problematic words and phrases and a new section on syntax as well as updated guidance on gender-neutral pronouns and bias-free language. Key sections on punctuation and basic citation style have been reorganized and clarified. To facilitate navigation, headings and paragraph titles have been revised and clarified throughout. And the bibliography has been updated and expanded to include the latest and best resources available. This edition continues to reflect expert insights gathered from Chicago's own staff and from an advisory board of publishing experts from across the profession. It also includes suggestions inspired by emails, calls, and even tweets from readers. No matter how much the means of communication change, The Chicago Manual of Style remains the ultimate resource for those who care about getting the details right.

Exam Board: Salters Nuffield Level: A level Subject: Science / Biology First teaching: September 2015 First exams: June 2017 An ActiveBook is included with every Student Book, giving your students easy online access to the content in the Student Book. They can make it their own with notes, highlights and links to their wider reading. Perfect for supporting revision activities. Student Book 1 supports a standalone AS course and provides the first year of a two-year A level course; Student Books 1and 2 together support the full A level course. A cumulative approach to learning constantly builds on what has previously been learnt. Each topic is introduced within a wider context. Concepts are revisited and developed in later topics. Integrated math sand stats support directs students to online maths resources. Thinking Bigger spreads require students to use knowledge in new contexts and think about connections and develop essential assessment skills throughout course. Real-life articles engage students with current biological writing and develop scientific literacy skills needed for A level and beyond. Checkpoints consolidate knowledge through summarizing tasks Practical activities provide opportunities for students to practise their skills and develop understanding of practical requirements. Material has been updated to reflect revisions, additions and deletions to changes in the subject content.