Answer:
The units of SI: meter, kilogram, second, Kelvin
Step-by-step explanation:
(a) The length of a marathon race: meter (m)
(b) The mass of an automobile : kilogram (kg)
(c) The volume of a swimming pool : cubic meter (m^3)
(d) The speed of an airplane : (m/s)
(e) The density of gold : (kg/m^3)
(f) The area of a football field : square meter (m^2)
(g) The maximum temperature at the South Pole on April 1,1913: Kelvin (K)