Richard is on a diet and has made a promise not to eat ice cream the entire year. However, during his best friend's party, he eats ice cream. He claims that he is only doing this because it was a very special occasion. He is exhibiting:.

He is exhibiting "Food Addiction"

Explanation:

Richard promised not to eat ice cream the entire year but ended up breaking the promise, and one notable point in the event is he had to give an excuse for breaking the promise, this shows the addiction. For food addicts, they tend to feel guilty after eating the food they wanted to stop eating and they still find themselves eating it again. They can't control themselves around certain foods just like the case of Richard, and you also find them making excuses why they defaulted,

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

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your welcome.