How did we find out about photosynthesis? (How did we find out--series.)
Nature, Environnement
Audio avec voix humaine
Résumé
Traces the scientific discoveries that led to our knowledge of photosynthesis, an interaction of plants and light. Discusses how photosynthesis relates to the food supply, the changing ecological balance, and the threats to the Earth's atmosphere. Grades 5-8 and older. 1989.
Description du titre
ISBN
9780802768995
Éditeur
Walker
Année
1989
Cote
2390645
Description de la version audio du CAÉB
Narrateur
Lydia Humphries
Durée
54 minutes 56 secondes
Producteur
Library of Congress, NLS/BPH (Louisville, KY: American Printing House for the Blind), 1993.