Environments
Subtitle: teacher's guide
By: Robert Knott ... [et al.].
Series: SCIIS. Life/earth science sequence -- lev.4; SCIIS. Life/earth science sequence -- lev.4
Publisher: Rand McNally & Co.
Published: 1978
Place of publication: Chicago
Language: eng
Number of pages: 116
Subjects: Study and teaching (Elementary); Nature; Effect of human beings on; Effect of environment on; Biological systems; Human beings; Biotic communities; Juvenile literature
Notes: Accompanied by Student material [std.mat.].