The correct answer is B. Are definitions that are used in the legal system.
Early detection of an asthma exacerbation is critical in a child. Peak flow is a fast and easy measurement helpful in determining the severity of the exacerbation. Documenting measurements that reads lower during exposure of certain allergens is a way to determine what the main cause of the exacerbations in the child.
Because it's apart of their History.
The answer is b . It can help improve the poor posture responsible for back pain
