How many basic units are in the SI system?
5
7
9
12
The SI system has seven basic units, it's a metre (length), kilogram (mass), second (time), ampere (electrical current), kelvin (temperature), candela (luminous intensity & mole (amount of substance)
reach: rather globalphysicsunits
Answers by country
5
7
9
12
answers
Estonia14
the Netherlands12
Austria39
Pakistan21
India228
the United Kingdom100
Australia27
Germany216
Nigeria10
Poland6454
Unknown23
the Philippines19
the United States134
Canada17
Republic of Ireland15
Switzerland24
Malaysia13
Greece13