Problem: Gary and Joe are two farmers. Joe's  farm has a depleted soil, while Gary started agroforestry a few years back, and grows cover crops.  Given the paragraph above, please answer correctly the following question:   Which farmer didn't help to stabilize the soil?

A: Joe


Problem: Dan studied two groups of individuals. Group S that had sickle cell anemia, and group B which had normal hemoglobin. He was fascinated by the results.  Given the paragraph above, please answer correctly the following question:   Which group had more deformed blood cells?

A: Group S


Problem: Two large islands from the same archipelago were visited by explorers. Green island was home to most species of reptiles, while Blue island was favored by numerous species of birds and hardly any reptiles.  Given the paragraph above, please answer correctly the following question:   Which island was inhabited by fewer lizards?

A: Blue


Problem: Last week, John visited the national park near his city. He saw many flowers. His guide explained him that there are two categories of flowers, category A and category B. Category A flowers spread pollen via wind, and category B flowers spread pollen via animals.  Given the paragraph above, please answer correctly the following question:   Which flower would not give nectar to the pollinators, category A or category B?

A: