Please answer this: Brad studied ancient human settlements from 100,000 years ago. His colleague Phil studied human settlement from 8-10,000 years ago. They were both fascinated by their findings. Which colleague learned about more dependable food supplies?
++++++++
Answer: Phil
Problem: Two groups of students learned about protozoa for a school project. Group P studied more about predatory protozoa, while group G studied about grazing and parasitic protozoa, plus portozoa as food sources. Which group learned less about protozoa keeping bacterial populations in check?

A: group G
Problem: Given the question: Two old friends Mary and Ann lived thousands of miles away. Mary lived on the Big Island of Hawaii, while Ann lived in Boston. Mary visited Boston, while Ann has never been to Hawaii. Which friend visited the Kilauea volcano on Hawaii?
++++++++++++++++++++++++++++++++
The answer is:
Mary
input question: Two neighboring cities had very different health related problems. Twin city had increased air pollution, their people experiencing all kinds of respiratory diseases, while Pine city had problems with age related diseases. Which city had fewer people exposed to chemical substances released into the air by human actions????
output answer: Pine
Rob is competing in a cross country race. After running about a mile he reached a place with two signs, sign A and sign B. Sign A says that it's a quicksand. But sign B says that it's not a quicksand. He has to decide which way to go. Which way would most probably have liquefied soil, sign A or sign B?
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Answer: sign A
Q: Mike is a high school student who loves science and as a hobby studies various chemistry, biology and physics experiments. Currently, Mike has a container in his garage that is filled with two different gases. A large portion of the gas is Mologen and a smaller portion is the gas Hamogen. If Mike added more gas to the container, would the pressure increase or decrease?
A:
increase