1- NASA- https://spaceplace.nasa.gov/glossary/en/
2- NASA- https://earthobservatory.nasa.gov/glossary/all
3- American Museum of Natural History https://www.amnh.org/learn-teach/curriculum-collections/earth-inside-and-out/earth-inside-and-out-glossary
4- Government Site- https://w1.weather.gov/glossary/
5- Merriam Webster- https://www.merriam-webster.com/
6- Government Site- https://oceanservice.noaa.gov/facts/watershed.html
7-Britannica- https://www.britannica.com/science/solar-energy
8- NASA- https://www.earthdata.nasa.gov/learn/glossary
9- NASA- https://climatekids.nasa.gov/heat-islands/
10- Government Site- https://mapasyst.extension.org/what-does-vegetation-index-mean-in-remote-sensing-technology/
11- NASA- https://landsat.gsfc.nasa.gov/article/the-thematic-mapper/
12- NASA- https://mynasadata.larc.nasa.gov/
13- NASA- https://podaac.jpl.nasa.gov/SeaSurfaceTemperature
14- Government- https://www.globalchange.gov/browse/multimedia/observed-trends-hurricane-power-dissipation
15- Government- https://pubs.usgs.gov/gip/dynamic/tectonic.html
16- Government- https://www.airnow.gov/aqi/aqi-basics/