Problem: India decided to use fossil fuels to produce their electricity, and Nepal decided to go renewable and use only hydro power to produce their electricity. Given the paragraph above, please answer correctly the following question: Which country contributed more to a global rise in Earth's temperature?

A: India

Problem: Two farms were selling on Seattle markets. Berry farm, which used organic methods, no fertilizers and pesticides, and Rose farm, which used conventional agricultural methods, including fertilizers and pesticides. Given the paragraph above, please answer correctly the following question: Which farm contributes less to chemicals infiltrating into groundwater?

A: Berry

Problem: Martin is moving and he needs to make a ramp so he can load heavy furniture into his truck. He has a bad back, so he wants to use the least effort possible. Before he cuts the wood, he is trying to decide how long the ramp should be so he can move the heavy furniture easily. Given the paragraph above, please answer correctly the following question: If Martin has enough materials for a long ramp will he need to exert a higher amount of effort or lower amount of effort?

A: lower

Problem: Mike and John are brothers. Their dad sent them to the doctor's office to get tested for hepatitis because Mike was feeling sick all the time. It turned out Mike has hepatitis B, while John doesn't. Given the paragraph above, please answer correctly the following question: Which brother has a greater chance of getting liver cancer?

A:
Mike