B) Military policy or D) none of the above. Hope this helps
A posed <span>many dangers to health and safety</span>
Scarcity determines the balance of production and consumption.
Even without complete isolation, the infant monkeys raised without mothers developed social deficits, showing reclusive tendencies and clinging to their cloth diapers. ... Harlow's work showed that infants also turned to inanimate surrogate mothers for comfort when they were faced with new and scary situations.
This will result in reduced yields, reduced quality, or higher costs per unit of production when compared to well-designed irrigation systems.