The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 247
... light energy is converted to chemical energy as carbon dioxide and water are converted into organic molecules . The process occurs in almost all algae , and in fact much of the knowledge of photosynthesis was first discovered by ...
... light energy is converted to chemical energy as carbon dioxide and water are converted into organic molecules . The process occurs in almost all algae , and in fact much of the knowledge of photosynthesis was first discovered by ...
Page 545
... Light rays from the source pass through the slit at the focus of the collimator lens , which then ren- ders the rays nearly parallel ( see Figure 7 ) . After the light is refracted by the prism , it is focussed by a lens , usually ...
... Light rays from the source pass through the slit at the focus of the collimator lens , which then ren- ders the rays nearly parallel ( see Figure 7 ) . After the light is refracted by the prism , it is focussed by a lens , usually ...
Page 893
... Light . Light is a necessity for sight and , in architecture , a utility . But light is also a powerful , though ephemeral , vehicle of expression . Because it moves , changes character , and comes and goes with its source , light has ...
... Light . Light is a necessity for sight and , in architecture , a utility . But light is also a powerful , though ephemeral , vehicle of expression . Because it moves , changes character , and comes and goes with its source , light has ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe