Question

how many basic units of measurement (such as meter, liter, and gram) exist in the modern metric system?
a. 8
b. 6
c. 7
d. 5

Explanation:

The modern metric system (SI, International System of Units) has 7 base units: meter (length), kilogram (mass), second (time), ampere (electric current), kelvin (thermodynamic temperature), mole (amount of substance), and candela (luminous intensity).

Answer:

C. 7