centimeters or grams
An appropriate metric unit of mass for a pencil would be grams.
The most appropriate metric unit to measure the mass of a concrete block is kilograms (kg).
The appropriate metric unit is a kilogram.
you use kilograms
Im pretty sure kilograms is appropriate
The appropriate metric unit to measure the mass of a lawn mower would be kilograms (kg). This unit is commonly used for measuring the weight of objects in metric system.
Because a pencil has a mass of a few grams.
An appropriate metric unit for the mass of an eyelash would be milligrams (mg) because eyelashes are extremely light and measure in the milligram range.
The metric standard unit of mass is the kilogram (Kg).
Kilograms, probably.
The metric unit used to measure the mass of a pencil would be grams (g).
The basic metric unit of mass is the gram (g).