LEADER 00000nam 2200469Ka 4500 001 ocm73348634 003 OCoLC 005 20141231165523.0 008 061017t20072007txua 001 0 eng d 020 0030500494 (text) 035 681350 040 JFN|cJFN|dUtOrBLW|erda 049 JFNA 092 0 TEXTBOOK JUNIOR HIGH 245 00 Environmental science /|ccontributing authors, Katy Z. Allen, Linda Ruth Berg, Robert H. Fronk. 246 3 Holt science and technology.|pEnvironmental science 246 3 Holt science & technology.|pEnvironmental science 264 1 Austin :|bHolt, Rinehart and Winston,|c[2007] 264 4 |c©2007 300 xii, 163 pages :|billustrations (chiefly color) ;|c29 cm. 336 text|btxt|2rdacontent 337 unmediated|bn|2rdamedia 338 volume|bnc|2rdacarrier 490 1 Holt science and technology. E 500 Includes indexes. 505 0 Safety first! -- Interactions of living things -- Cycles in nature -- The earth's ecosystems -- Environmental problems and solutions -- Energy resources. 521 0 Grades 6-8. 650 0 Science|xStudy and teaching (Middle school) 650 0 Ecology|xStudy and teaching (Middle school) 650 0 Environmental sciences|xStudy and teaching (Middle school) 650 0 Life sciences|xStudy and teaching (Middle school) 650 0 Science|vTextbooks. 650 0 Ecology|vTextbooks. 650 0 Environmental sciences|vTextbooks. 690 DISTRICT 204 TEXTBOOKS, JUNIOR HIGH. 700 1 Allen, Katy Z. 700 1 Berg, Linda R. 700 1 Fronk, Robert Henry. 710 2 Holt, Rinehart, and Winston, inc. 830 0 Holt science & technology.|nE.