Please answer this: Two researchers looked at the human influence on atmospheric carbon dioxide levels. Tim studied a human settlement from 10000 years ago, while Bob studied a present day county. Today's economy in the county revolved around extensive agriculture. Given the paragraph above, please answer correctly the following question: Which researcher didn't find that human activities reduced the number of autotrophic organisms?
++++++++
Answer: Tim

Please answer this: Bob was a medical student and he studied drugs administered to people with viral diseases, while his colleague Liam decided to study other types of drugs, such as antibiotics and anticoagulants. Given the paragraph above, please answer correctly the following question: Which colleague studied less about the development of antiviral drugs?
++++++++
Answer: Liam

Please answer this: Gary researched two old human settlements. Village A was smaller, it existed about 12,000 years ago. He also studied village B, which existed about 6,000 years ago. The village was much bigger and better developed. Given the paragraph above, please answer correctly the following question: Which village had higher death rates?
++++++++
Answer:
village B