What needs to happen for psychology to be useful?

What type of medicine to people take if they are lactose intolerance

Which of the following is not a potential safety hazard to consider when organizing an early childhood outdoor space? a. proximity of restrooms b. nearby traffic patterns c. sun exposure d. standing water

Arah has optimal health, but she lives in a metro area that has high levels of air pollution. which dimension of health will be lower for sarah? a. psychological b. emotional c. social d. environmental