Costello was eager to participate in the project. "The entire seventh grade class -- there were about 95 students -- participated," she explained. "First, they divided into groups based on their interests in the various tasks that the project entailed. Some of the group tasks were public ...
(1973)CDPR worksheet 033 45711 ArsenicArsenic acidSodium arsenate MouseRat/mouse Teratogenic: malformations 7.5 Parenterally (i.p) CDPR: DPN # 180Toxicology Summary (1992)Beaudoin (1974)Hood and Bishop (1972) Asulam Rat Reproduction decreased number of live births 1000 ppm CDPR worksheet (360) 01...
sedimentary rock- rock formed from material that has settled into layers Wind and water carry small bits of rock. Layers of these bits of rock form and, under pressure, become sedimentary rock. Most sedimentary rocks are formed from layers of sediments that have been compressed under water for ...