This is the process by which a word is created from other words.

example: for example, the english word benefit comes from the latin word beneficium. hint it starts with de

i used to know but i learned it a long time ago sorry

explanation:

allusion   is the right answer

i don't know sorry i cannot read a novel in 30 min.

explanation:

but just in case i think the answer is b.

1) i we aren't tired, we will go to the forest.

2) you will not see many old oak-trees, and animals will disappear if you don't care of them?

i don't understand the question.