Huber, Frederick C frey50
Light, color and life for the world. Frederick C. Huber - New York David McKay Company, Inc. 1978 - 51 p.
Explains the physical properties of light, the sources of illumination man has used, the benefits of light in medicine, and the relationship of light to plants and poolution.
0679204369
Light--Juvenile literature
Photosynthesis--Juvenile literature
Light
j535 Hub 25
Light, color and life for the world. Frederick C. Huber - New York David McKay Company, Inc. 1978 - 51 p.
Explains the physical properties of light, the sources of illumination man has used, the benefits of light in medicine, and the relationship of light to plants and poolution.
0679204369
Light--Juvenile literature
Photosynthesis--Juvenile literature
Light
j535 Hub 25