Problem: Two continents were known for the strange discrepancies in animal populations. Asia was mostly populated by reptiles of all species, while Africa was mostly populated by birds and very few reptiles.  Which continent was inhabited by fewer turtles?

A: Africa


Problem: Brad and Henry were two old friends in their 70's. Brad had very high levels of cholesterol, while Henry was healthier and had normal levels of cholesterol.  Which friend takes a drug that induces the expression of low density lipoprotein (LDL) receptors in the liver?

A: Brad


Problem: Pat has 2 acres of land next to Tim's property. Tim's land is of similar size. The clay soil on Tim's property is very alkaline, so he had to amend it with aluminum salts to make it more acidic in order to grow crops. The soil on Pat's parcel has a good structure and high infiltration capacity. Pat gets twice as much food of his land every year.  Which soil is more basic, the one on Pat's or the one on Tim's?

A: Tim's


Problem: Two students were learning about atmospheres and planets. Dan learned about the atmosphere of Earth, while Nate learned about planet Venus and its atmosphere.  Which student learned more about the planet with a strong greenhouse effect?

A:
Nate