A. There should be an apostrophe on the it's, because it is saying, "only some of it is clean and safe enough to drink." The apostrophe should be on that word because it breaks the word down into it is, which is correct in the sentence.
False,
Use the adjective abstract for something that is not a material object or is general and not based on specific examples. Abstract is from a Latin word meaning "pulled away, detached," and the basic idea is of something detached from physical, or concrete, reality.
The correct answers among all the other choices are B. competitive and D. stubborn. These are character traits of jerry in "Through the tunnel." Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Answer: A). People can have a big impact on others' lives without realizing it.
Explanation: The other options seem worthy as well but this one is the appropriate choice.