Attributes psychological disorders to organic, internal causes. focuses on the brain, genetic factors, and neurotransmitter functioning as the sources of abnormality.

Biological approach  attributes psychological disorders to organic, internal causes.

Explanation:

The abnormal growth in the growth pattern of the individual or the adverse condition internally or externally due to the environmental factors which can affect the growth pattern of a normal individual is called as physiological disorder.

The changes that the body undergo during physiological illness is apparent to others this is because it is caused due anxiety or other related problems. By focusing and by keenly observing the function and the behavior of the nervous system at the cellular and structural level is called as biological approach.

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the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.