1 liter = what in mL, microliter and nanoliter
a) 1000 mL, 1,000,000 μL, 1,000,000,000 nL
b) 100 mL, 100,000 μL, 100,000,000 nL
c) 10 mL, 10,000 μL, 10,000,000 nL
d) 1,000 mL, 1,000 μL, 1,000,000 nL