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A ruler would work best if you are wanting to measure the length of an eye dropper.
grams or meters weight or length
You'd measure the length of a car in metres.
The length of a single bus is best measured in metres.
Probably the best metric unit of measure to use would be the Centimeter (cm) ...There are 2.54 cm per inch.
Depends
A ruler would work best if you are wanting to measure the length of an eye dropper.
9 cm
grams or meters weight or length
You'd measure the length of a car in metres.
The best units would be millimetres for the length measurements and millilitres for the volume.
Metres.
inches or Millimeters.
maybe about 2 inches
The best unit for measuring the length of an ant is millimeters or centimeters. The ants are too tiny and the smallest unit of measurement would be ideal for them.
Inches or centimeters.
Measurement unit