inches
Gram.
The best unit of customary measurement to measure a candy bar would be ounces. Ounces are commonly used to measure the weight of food items, including candy bars. This unit provides a precise measurement that is easy to understand and compare across different candy bar sizes.
That depends what quantity you want to measure. -- Weight of the bag of apples . . . the scale in the store, newtons or pounds -- Mass of the bag of apples . . . . . balance scale, kilograms -- Length, width, or height of the bag . . . ruler, inches or centimeters -- Volume of the bag of apples . . . tub of water, graduated cylinder, liters or fluid ounces -- Time the apples stay fresh . . . calendar, clock, hours or days
you would use a kilogram
That would depend on how long your tape measure was.
cm
You would use CM or INCHES to measure a knife
That would be a trick question. Their densities would be the same, since density is not a measurement of volume, but a ratio involving volume.
Weight and/or height
Feet.
meters
cm