Acknowledgements

This free course was written by Rajvinder Samra in collaboration with Liz Tilley, Erica Borgstrom and Kerry Jones.

Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.

Grateful acknowledgement is made to the following sources for permission to reproduce material in this free course:

Course image:

Asset 189689 Angel Oak Tree © Mike Ver Sprill / www.shutterstock.com

Asset 192265 Butterfly *** From Pixabay, Covered under creative commons licence CC01 1.0 universal (CC01.0) public domain dedication

Asset 192266 Water ***From Pexels.com, Covered under Creative Commons licence CC0 1.0 Universal (CC0 1.0) Public Domain Dedication

Figure 1 © Miragik | Dreamstime

Figure 2 © pixelheadphoto digitalskillet / www.shutterstock.com

Figure 3 © World History Archive / Alamy Stock Photo

Figure 4 © MAURO FERMARIELLO/SCIENCE PHOTO LIBRARY

Figure 5 © Photo 12 / Alamy Stock Photo

Figure 6 © Paul Stern

Figure 7 © Michael Crabtree / Stringer / Getty Images

Figure 11 © PAUL BROWN / SCIENCE PHOTO LIBRARY

Figure 12 © Granger Historical Picture Archive / Alamy Stock Photo

Figure 13 © Dean Mouhtaropoulos / Getty Images

Figure 14 © Moviestore collection Ltd / Alamy Stock Photo

Every effort has been made to contact copyright owners. If any have been inadvertently overlooked, the publishers will be pleased to make the necessary arrangements at the first opportunity.

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.