The appropriate language that should be used in a letter of complain is formal language. The tone used in the letter should be positive, courteous and straight to the point. Word choice is very important, choose your words carefully to convey your feelings. Be objective in your writing and use active constructions in your sentences.
Answer:
a government website listing regulations for exploring Antarctica
Explanation:
There is more reliable information on this.
The answer is C I’ve looked up the word and it means happy and joy is a synonym of happy