Final answer:
The Emotional dimension significantly impacts an individual's ability to handle stress, influencing psychological and physical health and coping mechanisms.
Step-by-step explanation:
The dimension of disturbance that can significantly affect an individual's ability to cope with stress is Emotional (Option B). While social, physical, and environmental factors certainly influence stress levels, it is the emotional response to these disturbances that fundamentally determines an individual's capacity to manage stress. Psychophysiological disorders, such as cardiovascular disorders and asthma, can be exacerbated by psychological factors, showcasing the direct impact emotional health has on physical well-being. Moreover, an individual's perception of control and coping abilities are vital in managing stress, with supportive social networks playing a role in reinforcing positive emotional management strategies.