Deafness is a along with ADHD. comorbidity dual-disease syndrome discrepancy disease psychopathological syndrome

The correct option is A) comorbidity

Explanation:

In the field of medicine, comorbidity can be described as a term which is used for disorders which show more than one disorders along with a primary disorder.

For example, ADHD is a attention deficit hyperactivity disorder in which a person experiences a number of conditions such as problems in attention, the ability to sit still, and self-control. the same case goes with deafness. Although the primary effect of deafness is the lack of the ability to hear but certain other factors such as posture and balance are affected by it.

the sunflower because each experiment got the same results

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-payshence

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation: