List two possible explanations for why drinking milk could have provided strong favorable selection for lactase persistence.

The possible explanations as to why milk could have provided strong favorable selection for lactase persistence include; Milk may have been a critical food source during the times of famine. Milk was safer to drink than water and reduced exposure to pathogen. Also milk is a protein and fat-rich and thus could have been an important, high quality source of food. 

The answer is false