Based on statements made in the video, which of the following conclusions can be drawn about schizophrenia? Medical and psychological treatments do nothing to alleviate the symptoms of schizophrenia.
Researchers have found no association between chemical changes in the brain and the development of schizophrenia.
Schizophrenia is a disorder that has physical origins.
People with schizophrenia are suffering from an emotional illness.

Schizophrenia is a disorder that has physical origins.

Explanation:

The best option is the answer above because research has shown that schizophrenia may have physical origins along with chances of being triggered by psychological and environmental factors.

Medical and psychological treatment have been shown to help at least 4 out of 5 people suffering from Schizophrenia so the first option is false. Researchers have also linked schizophrenia to chemical imbalance in the brain so the second option is wrong as well and as schizophrenia is a mental condition not emotional, the last option is wrong as well.

answer is d. graphite coatings.

some connecting rods have _graphite coatings_ to lubricate the cylinder wall or piston pin.