Rocks and soil /
An introduction to different kinds of rocks and soils describing their characteristics, location, and uses. Includes study questions, activities, and experiments.
প্রধান লেখক: | |
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বিন্যাস: | গ্রন্থ |
ভাষা: | English |
প্রকাশিত: |
Chicago :
Childrens Press,
1988.
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মালা: | Jennings, Terry J. Young scientist investigates
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বিষয়গুলি: |