What Causes the Black Color Emitted from Black Smokers

question 45

Multiple Choice

What causes the black color emitted from black smokers?

• A) ammonia dissolution
• B) steep temperature gradients
• C) iron sulfide precipitation
• D) elemental sulfur precipitation
• E) denitrification

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Definitions:

Phobias

Intense, irrational fears of specific objects, activities, or situations that lead to avoidance behavior.

Extinguished

In psychology, extinguished refers to the process by which a previously learned behavior diminishes or disappears as a result of non-reinforcement.

Genetic Predisposition

The increased likelihood of developing certain traits or diseases based on one's genetic makeup.

Phobias

Intense, irrational fears of specific objects or situations that pose little to no actual danger.