Question

I need help with this question and it is (In customary units, what would be the most appropriate unit of measure to find the length for each of the objects below)

1. Pencil =
2.Car =
3.Canyon =
4.Airplane =

Answer 1

1. centimeter
2. Feet
3. Miles
4. Feet

This is just my best guess

Answer 2

In U.S. customary units:

Pencil: inches
Car: feet
Canyon: miles
Airplane: yards

Abbreviations:

Inches: in.
Feet: ft.
Yards: yd.
Miles: mi.