china Thailand India Mediterranean Islamic world Medieval and modern Europe North America
The country that produces the most calculators is India.
Italy produces the most lamborghinis
Any of various caterpillars that produce silk cocoons Any of various caterpillars that produce silk cocoons Any of various caterpillars that produce silk cocoons Most known as Bombyx Mori It is also a worm that produces a cocoon that when properly done produces silk.
china
Silkworm
INDIA is the only country which produces all commercial varieties of silk.
As a group, the silk worms have a corner on this answer: it's they who produce the most silk used by humans as fibre. If, however, you want to know which animals -- spiders, caterpillars and so forth, produce the most 'silk', your answer may depend on a more narrowly defined question.
The country that produces the most synthetic diamonds is the United States. The Apollo Diamond Company in Boston Massachusetts produces the most according to Smithsonian.com
China
CHINA
Uganda produces the most bananas.
In Europe, Poland produces the most coal.