If your doing this on khan academy it Will Be Millimeters!
centimeter
The meter.
cups
Pounds
5ml
A kilolitre or megalitre if a large pond.
Centimetre.
most likely in grams
The meter.
Centimeters.
cups
You can use cups to measure a small can of juice.
Pounds
5ml
1 milligram
liters
A kilolitre or megalitre if a large pond.
millimetres