A preface The report of this book as part of the research subjects. Earth science high school, the entire system 2 for the purpose of education, knowledge, and resolve issues, including research on the response of earthworm that affect different soil conditions. To study the Habitat of the earthworm Using the research process, try solve the problem of housing of the earthworm. We hope that this booklet will be the research benefits that would bring to the development of the whole world of teaching science to a more powerful system.Faculty and researchers
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