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The process of photosynthesis, by which plants grow and produce food, is explained in this 1950s film about the sun. (1950s)
Pastry Cook Research, an animated character in a segment from this 1950s film about the sun, explains how a solar battery is made and works. (1950s)
The sun is a life giving source of much-needed food, and humanity depends on the sun for survival, especially as the world's population continues to explode (1950s)
In this 1950s film about the sun, Thermo the magician explains the process by which hydrogen and carbon react through a process known as the carbon cycle. (1950s)
The sun emits not only light waves, but also radio waves, which, according to this 1950s film, scientists study in order to learn more about the sun. (1950s)
United States 1950s: Tree trunks in a forest. Man carries wooden crate of fruit in a field. Animated sun and energy produced per acre. Animated angry chef inside a plant cell.
Two men, a scientist and a writer, chat to animated representations of Father Time and The Sun, in a 1950s film about the origins of the sun. (1950s)

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19965520
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Numéro de la ressource de stock de type Vidéo : 19965520

Even though chlorophyll utilizes all the sun's energy to produce plant sugar, most plants do not utilize all the plant sugar towards the production of fruit for human consumption (1950s)

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Rick RayRick Ray

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