Which is Bigger?

1 Kilogram or 1 gram?
1. 1 Kilogram
2. 1 Gram
1 centimeter or 1 meter?
1. 1 cm
2. 1 m
1 liter or 1 milliliter?
1. 1 mL
2. 1 L
1 milligram or 1 gram?
1. 1 g
2. 1 mg
1 meter or 1 kilometer?
1. 1 km
2. 1 m
1 millimeter or 1 centimeter?
1. 1 mm
2. 1 cm
1 millimeter or 1 micrometer?
1. 1 micrometer
2. 1 millimeter
1 meter or 1 megameter?
1. 1 megameter
2. 1 meter
1 kilometer or 1 megameter?
1. 1 Mm
2. 1 km
1 millimeter or 1 kilometer?
1. 1 km
2. 1 mm