[Q]: At a new years party Mary brought an expensive bottle of champagne for the host. Just before midnight she goes and finds a corkscrew to open the bottle. She places the corkscrew on the cork and begins twisting it, making the corkscrew push itself into the cork so she can open the bottle easier. Will the force applied to the corkscrew's inclined plane have increased or decreased after Mary finishes twisting it?
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[A]: increased

[Q]: Mary and Ben went in for a blood test. Ben had high cholesterol, so the Doctor recommended him to lower it. Mary had normal cholesterol levels. Which person was at higher risk of forming blood clots?
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[A]: Ben

[Q]: Two neighboring towns had different demographics. Hill town had younger inhabitants, most of them in their 30's and 40's. Lake town was inhabited by elderly people, most of them above 65 years of age. Which town had more people that freed up time for their grandchildren?
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[A]: Lake

[Q]: Sam and Ned went on vacation, The 2 friends partied nights and spent their days on the beach. Sam started getting flu like symptoms, so he went to the doctor's office where he found out that he was infected with HIV. Ned got scared when he heard what happened, but fortunately he was OK. Which friend contracted a virus that originated in sub-Saharan Africa during the 20th century?
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[A]:
Sam