Answer: a. kg/L and c. g/mL
Step-by-step explanation:
Density is defined as the mass contained per unit volume.
Given : Mass of object is measured in units of grams and kilograms.
Volume of object is measured in units of
and are represented as ml, L,
,

Thus density can be represented in units kg/L and g/ml
g/m is mass per unit length.
cm/g is length per unit mass.