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...2.0 Licence. All other materials included in this course are derived from content originated at the Open University. Don't miss out: If reading this text has inspired you to learn more, you may be interested in joining the millions of people who discover our free learning resources and qualifications by visiting The Open University - www.open.edu/ openlearn/ free-courses...

...course is an adapted extract from the Open University course T213 Energy and Sustainability. ...Transport and Sustainability: Introduction - Transport has considerable environmental impacts. It creates problems of urban air pollution and greenhouse gas emissions. There is also the problem of determining who is the most important urban road user; the private car, public...

...course, Introduction to complex analysis, is an extract from the third level Open University course M337 Complex Analysis, which develops the theory of functions of a complex variable, emphasising their geometric properties and indicating some applications...This free course, Introduction to complex analysis, is an extract from the third level Open University ......

...courses from the Open University. Video 2 How do you know what is alive? What are the two main types of cells? Prokaryotic and Eukaryotic. What is the main difference between these two types of cells? Eukaryotic cells have their internal contents packaged up in compartments, including the nucleus that contains DNA. Prokaryotic cells do not have any internal compartments....