David R. Hershey – författare
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1 produkter
Plant Biology Science Projects
Häftad, 1995
162 kr
Lägg i varukorg
Features around two dozen intriguing science projects about seed plants which are used because they're readily available, inexpensive and quickly and easily grown indoors. The experiments include topics such as the effect of acid rain on plants and growing plants in hydroponic solutions. Each …
