00421nam a2200145 a 450000500170000000800410001702000150005805000240007305000230009710000200012024500430014025000300018326000490021365000130026220140412111220.0010522s19uu    xx            00    eng d  a067942071x  aTR(GS 507bC66 1989  aTR(PS EbHo83 2009  aScott, Foresman  aDiscover science /cMarion Dane Bauer.  aTeacher's Annotated Ed. 1  aNew York :bScott Foresman & Company,c1989.  aScience-