Vasodilators
Aerophone
Neurologic
They fall under "Real Numbers"
Homo Sapien sapiens
Spiders fall under the Dewey Decimal Classification of 595.4.
It is an Aerophone Hope this helps
LTL
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Books on cricket or football would typically fall under the classification number GV for sports, while books on golf would fall under GV965. Books on running would be classified under GV1060.
No. Some gems fall under the classification of semi-precious stones.
The Dewey Decimal Classification for Smithsonian Maker Lab would likely fall under the 600s, which is the general classification for Technology.
Generally, books are put in a library. Most libraries use the Dewey decimal system for classification. Inventors and inventions may fall under several categories, depending upon the invention. The bulk of these would most likely fall under classification 500 and 600 and specifically under 608 for inventions and patents.