A marine research database uses a merge sort algorithm to order a sequence of recorded dive depths of a tagged leatherback turtle in ascending order.
Describe how a merge sort algorithm works to sort this list of dive depths.
159 exam-style questions on Edexcel GCSE Computer Science Algorithms, covering Constructs for solving problems, Variables, constants and data structures, Arithmetic, relational and logical operators, Tracing algorithm output with trace tables, Types of error and correcting logic errors, Standard algorithms (sorts and searches), and Evaluating algorithm fitness and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.