Unit to measure solid items is(a) km. or meter(b) litre or ml.(c) hour or minute(d) kg or gram

Unit to measure solid items is(a) km. or meter(b) litre or ml.(c) hour

1.	Unit to measure solid items is(a) km. or meter(b) litre or ml.(c) hour or minute(d) kg or gram
Answer» Unit to measure solid items is kg or gram.