Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
A hill farm at 10 degrees Celsius should build the stack:
- Wider, 130 to 150 cm
- Narrower than the plains
- Flat and spread out
- Same as the plains
See the answer and why
Wider, 130 to 150 cm A wider stack holds heat when outside air is cold.

