Answer:
The Pearson square ration formulation procedure is designed for simple rations.
In order for the square to work, follow specific directions for its use.
Nutrient contents of ingredients and nutrient requirements must be expressed on the same basis (i.e., dry-matter or “as-fed”).
Answer:
Ergonomic
Esther has been lifting tools all day, so most likely the repetitive movements or improper lifting caused her pain.
D as there isn't a time limit