The answer is D..
A, B and C are negative impacts.
Ancient
Professor Singh is a specialist in Ancient Chinese History.
2 & 4 i believe. metacognition is where the reader is aware and understanding of their own thought process so.
It depends on if you argue for or against it. For a thesis to being with community service maybe try something like:
Community service is something that can be very effective on our environment. The possibilities of a clean world can be achieved if more people were to band together and tackle issues such as littering and pollution. However, it seems that right now, many people are not so much for the cause or the effort in saving our planet.
Answer:
Might be late, but here you go
Perplex:Confuse -> Baffle
Produced;Shaped -> Wrought
Knead;Work -> Kneaded