F Appendix: Image credits
The sources of the images used in the online version of this book (in accordance with the terms of Unsplash, Pixabay and Pexels) are listed below.
Image of the mouse (e.g., Sect. 1.1): Photo by Shutterbug75 from Pixabay
Image of the cigarette (e.g., Sect. 1.1): Photo by Shutterbug75 from Pixabay
Image of students around a computer (e.g., Sect 1.4): Photo by Sain Tipchai from Pixabay
Image of gardening (e.g., Sect. 1.5): Photo by Lukas from Pexels
Image of electric car charging (e.g., Sect. 1.7): Photo by Rathaphon Nanthapreecha from Pexels
Image of stressed students (e.g., Sect. 2.2): Photo by Oladimeji Ajegbile from Pexels
Image of women at the beach (e.g., Sect 2.9): Photo by nappy from Pexels
Image of tyres (e.g., Sect 2.9): Photo by Mylene2401 from Pixabay
Image of the man (e.g., Sect 2.9): Photo by Moose Photos from Pexels
Image of person walking (e.g., Sect. 3.2): Photo by Kaboompics.com from Pexels
Image of soft drinks (e.g., Sect. 3.3.2): Photo by ThreeMilesPerHour from Pixabay
Image of ill woman (e.g., Sect. 3.1; Sect. 2.7): Photo by Andrea Piacquadio from Pexels
Image of paper pile (e.g., Sect. 4.1): Photo by Ag Ku from Pixaby
Image of hazard sign (e.g., Sect. 4.2): Photo by Mikael Seegen from Unsplash
Image of older man with a headache (e.g., Sect. 5.1): Photo by Gerd Altmann from Pexels
Image of soup (e.g., Sect. 15.2): Photo by Audrey Hunt from Pixabay
Image of baby (e.g., Sect. 16.3): Photo by PublicDomainPictures from Pixabay
Image of cyclone (e.g., Sect. 16.4): Photo by WikiImages from Pixabay
Image of school kids (e.g., Sect. 5.2): Photo by Iqwan Alif from Pexels
Image of person typing (e.g., Sect. 5.4): Photo by Startup Stock Photos from Pexels
Image of the prosthetic (e.g., Sect. 5.9): Photo by ThisIsEngineering from Pexels
Image of two people drinking coffee (e.g., Sect. 5.9): Photo by Lina Kivaka from Pexels
Image of sweaty woman (e.g., Sect. 5.9): Photo by Juergen Striewski from Pexels
Image of an electric car charging (e.g., Sect. 5.9; Sect. 31.12): Photo by Rathaphon Nanthapreecha from Pexels
Image of a wholegrain loaf (e.g., Sect. 7.1): Photo by Gil Goldman from Pexels
Image of two women (e.g., Sect. 7.2): Photo by Andrea Piacquadio from Pexels
Image of toothbrush (e.g., Sect. 7.5): Photo by PhotoMIX Company from Pexels
Image of a man washing his hands (e.g., Sect. 9.3): Photo by Ketut Subiyanto from Pexels
Image of a man drinking coffee (e.g., Sect. 9.4): Photo by nappy from Pexels
Image of mail box (e.g., Sect. 11.1.2): Photo by Carlos Cuadros from Pexels
Image of mail box (e.g., Sect. 11.1.2): Photo by Tristan Le from Pexels
Image of father and baby (e.g., Sect. 12.2.1): Photo by nappy from Pexels
Image of fries (e.g., Sect. 12.2.2): Photo by Dzenina Lukac from Pexels
Image of athletes (e.g., Sect. 12.5): Photo by Jim De Ramos from Pexels
Image of birthday cake (e.g., Sect. 12.8.3): Photo by Leslie Eckert from Pixabay
Image of the hamburger (e.g., Sect. 12.10): Photo by David Cortez from Pixabay
Image of a river (e.g., Sect. 13.2): Photo by Beverly Buckley from Pixabay
Image of Jersey cow (e.g., Sect. 13.2.1): Photo by Ari Kejonen from Pixabay
Image of yoghurt (e.g., Sect. 13.6): Photo by Elias Sch. from Pixabay
Image of operation (e.g., Sect. 14.1.1): Photo by Engin Akyurt from Pixabay
Image of breakfast (e.g., Sect. 14.5): Photo by Daria Shevtsova from Pexels
Image of a child brushing teeth (e.g., Sect. 15.3): Photo by Ketut Subiyanto from Pexels
Image of girls playing cricket (e.g., Sect. 16.1): Photo by Lisa scott from Pixabay
Image of playing cards (e.g., Sect. 16.5): Photo by Patrick JL Laso from Pixabay
Image of tape measure (e.g., Sect. 17.4): Photo by Johanna Pakkala from Pixabay
Image of forest (e.g., Sect. 17.8): Photo by Brandon Montrone from Pexels
Image of roulette wheel (e.g., Sect. 18.3): Photo by Greg Montani from Pixabay
Image of dice (e.g., Sect. 20.1): Photo by Skitterphoto from Pexels
Image of a koala (e.g., Sect. 20.4): Photo by Eriksson Luo on Unsplash
Image of the energy drink (e.g., Sect. 20.4): Photo by Adriano Gadini from Pixabay
Image of blood test equipment (e.g., Sect. 20.6): Photo by Karolina Grabowska from Pexels
Image of woman drinking coffee (e.g., Sect. 20.9): Photo by Gian Cescon on Unsplash
Image of a child carrying a school bag (e.g., Sect. 22.3): Photo by Pixabay
Image of a scan (e.g., Sect. 22.4): Photo by Anna Shvets from Pexels
Image of peanuts (e.g., Sect. 22.6): Photo by Tom Hermans on Unsplash
Image of couple using a a phone in the car (e.g., Sect. 24.1; Sect. 30.1): Photo by Splitshire from Pexels
Image of a citrus tree (e.g., Sect. 24.9): Photo by Anderson Guerra from Pexels
Image of litter on beach (e.g., Sect. 24.9): Photo by Lucien Wanda from Pexels
Image of woman in wheelchair (e.g., Sect. 24.10; Sect. 30.8): Photo by: Marcus Aurelius from Pexels
Image of students (e.g., Sect. 25.1; Sect. 31.1 ): Photo by Startup Stock Photos from Pexels
Image of parrot (e.g., Sect. 25.6; Sect. 31.8): Photo by André Lisatchok from Pexels
Image of vegan plate (e.g., Sect. 25.7; Sect. 31.9): Photo by Vegan Liftz from Pexels
Image of woman with thermometer (e.g., Sect. 27.1): Photo by Anna Shvets from Pexels
Image of crutches (e.g., Sect. 27.10): Photo by Anna Shvets from Pexels
Image of winter (e.g., Sect. 29.1): Photo by Taryn Elliott from Pexels
Image of blood pressure being taken (e.g., Sect. 29.9): Photo by Hush Naidoo on Unsplash
Image of rubbish (e.g., Sect. 31.10): Photo by Karl Bewick on Unsplash
Image of deer (e.g., Sect. 33.1; Sect. 35.3): Photo by Diana Parkhouse on Unsplash
Image of polluted water (e.g., Sect. 34.5): Photo by Lisa Fotios from Pexels
Image of sheep (e.g., Sect. 35.10): Photo by Arie van Ravenswaay from Pexels
Image of reading notes (e.g., Sect. 36.1): Photo by Pixaby from Pexels
Image of herbs and spices (e.g., Sect. 36.2): Photo by: Pixaby from Pexels
Image of bicycles (e.g., Sect. 36.3): Photo by Taryn Elliott from Pexels
Image of woman writing (e.g., Sect. 37.1): Photo by Ivan Samkov from Pexels
Image of writing on a desk (e.g., Sect. 37.10): Photo by Free-Photos from Pixabay.
In addition to these images:
The images of the cards used in (for example) Sect. 5.1 are from https://code.google.com/archive/p/vector-playing-cards/, and are in the public domain.
The black-and-white icons were made by Alfredo Hernandez, and are from www.flaticon.com