Volcanologists classify eruptions into several different types. Some are named for particular volcanoes where the type of eruption is common; others concern the resulting shape of the eruptive products or the place where the eruptions occur. Here are some of the most common types of eruptions:
The study of anxiety is at the root of psychoanalytic explorations of the human condition. Anxiety is a warning signal that danger is present and that overwhelming emotions may be felt, giving rise to unmanageable helplessness. The danger may be perceived as arising from internal or external sources, and be the response to a variety of powerful phantasies in the unconscious mind.
Anxiety is a subjective sense of worry, apprehension, fear, and distress. Remember it is normal to have these sensations on occasion, but until they start interfering in your daily life, is when it could become a problem. Symptoms of anxiety result in fidgeting, muscle tension, sleeping problems, and headaches.