1 Louv, Richard. Last Child in the Woods: Saving our children from nature-deficit disorder
2 Mitchell, Brooks. “Learn the Basics of Geology.”
3 Mitchell, Brooks. “Learn the Basics of Geology.”
4 https://gml.noaa.gov/education/info_activities/pdfs/TBI_earth_spheres.pdf.
5 https://gml.noaa.gov/education/info_activities/pdfs/TBI_earth_spheres.pdf.
6 Image by brgfx on Freepik
7 https://gml.noaa.gov/education/info_activities/pdfs/TBI_earth_spheres.pdf.
8 https://gml.noaa.gov/education/info_activities/pdfs/TBI_earth_spheres.pdf.
9 Image by <a href="https://www.freepik.com/free-vector/hand-drawn-layers-earth_19332169.htm#page=2&query=earth%20layers&position=29&from_view=keyword&track=ais_hybrid&uuid=bc921353-f1d2-44b7-ad22-897385fefc2c">Freepik</a>
10 Dobrijevic, Daisy. “Earth’s Layers: Exploring Our Planet Inside and Out,” 2022.
11 Dobrijevic, Daisy, 2022
12 Dobrijevic, Daisy, 2022
13 Dobrijevic, Daisy, 2022.
14 Marshak, Stephen. Earth: Portrait of a Planet, pp. 60-61.
15 Dodd, Carly. “What Are the Layers of the Earth?” WorldAtlas, December 16, 2020.
16 Marshak, Stephen, p. 61-63.
17 Dodd, Carly, 2020.
18 Dodd, Carly, 2020.
19 Marshak, Stephen, p. 63.
