Answer:
Withdrawal
Explanation:
Chan is experiencing withdrawal. Since he drinks 4 cups of coffee each day, the terrible headache he has that stopped him from concentrating is the Physical and mental symptoms that occur when someone stops or limits his intake of a substance that has become a habit, in this case coffee.
Because taking coffee is already a habit, he had this headache without it because his brain has become used to it and now missing it causes a rush of adrenaline by the brain.
Four qualities or skills of an eligible interviewer are:
<h3>Who is an eligible interviewer?</h3>
An eligible interviewer is a person that is responsible for recruiting good human resources to an organization.
The eligible interviewer should possess skills such as effective communication, organization, and time management.
Learn more about soft skills here:
brainly.com/question/8381292
A social scientist can be involved in a variety of works and fields of studies with titles like Archaeologists, Sociologists, Political scientists among other things. The formal surrender of Germany, otherwise known as the Armistice of 11 November 1918, is a historical document relating to the first world war. Hence why the social scientist that would most study the account of the formal surrender of Germany is a Historian.
B: Both nature and nurture are important