for more on google : nemfrogfilms
nemfrogfilms:Behold the mushroom.  Encylcopedia Brittanica...
nemfrogfilms:The eye.  Introduction To Biology....
nemfrogfilms:When the Sun explodes. The Stellar Life Cycle....
nemfrogfilms:Disinfectant. Don’t Spread Germs. 1948.Internet...
nemfrogfilms:In orbit. The Earth In Motion. 1936.Internet...
nemfrogfilms:Virus. Sniffles and Sneezes. 1955.Internet...
nemfrogfilms:Arizona skies. Gift of Green. 1946.Internet...
nemfrogfilms:The effects of cocaine. Drug Addiction....
nemfrogfilms:Sitting. Posture. 1928.Wellcome Library via...
nemfrogfilms:El Paricutin. 1946.Internet Archive
nemfrogfilms:In the clouds. Know Your Clouds. 1967.Internet...
nemfrogfilms:Oscilloscope settings. Sound Waves In Air....
nemfrogfilms:Mount St. Helens acts up, May 18, 1980. The...
nemfrogfilms:Mother and toddler watch sea life from the window...
nemfrogfilms:Photosynthesis. Encyclopedia Britannica Films....
nemfrogfilms:Descent. Under the sea. Reel 1. 1929.Field Museum...
nemfrogfilms:A skate’s face and gill. Seashore Life....
nemfrogfilms:Trump holding bible in front of church photo op....
nemfrogfilms:Southwest desert. Land of Geronimo. 1945. Opening...
nemfrogfilms:A skate’s face and gills. Seashore Life....
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