To me the answer is B because that one doesn't really sound right compared to the other answers.
Answer:
hygiene to keep the enviroment free from illness caused by dirty enviroment.
Si me preocupan Los problemas ambientales
Answer:
11: neither of, all, both, all, neither, nor
14: ever, this, long, ?, so, but, yourself, ?, though, with
“Language is a medium of expression. Literature is a collection of expressions via language. Language is expressive as its purpose is to express ideas, knowledge, and opinions, whereas literature is more imaginative.”
