Problem: Iceland and Ireland both used agriculture as a the main component of their economies. Ireland used lots of fertilizer and had big environmental problems as a result. Iceland does a lot of greenhouse agriculture using geothermal energy, so it is more protective towards the environment. Which country caused more decomposers to break down dead algae?

A: Ireland

Problem: Mike is studying for his physics exam. He realizes that the best way to learn physics is to solve problems. To that end, he needs to to convert pressure of objects from one unit to another. In one problem, four scenarios are given for the same object, scenario A, scenario B, scenario C, and scenario D. In scenario A the pressure is given in Pascals. In scenario B the pressure is given in the atm. In scenario C the pressure is given in torr. Lastly, in scenario D the pressure is given in psi. In which scenario pound and inch are not factors in devising the unit, scenario C or scenario D?

A: scenario C

Problem: Two groups of people were part of a nutrition study. Group O was made up of individuals that consumed an extra 2000 calories per day, while group B had a normal daily caloric consumption. Which group stored less body fat?

A: group B

Problem: In the beginning of this century there was scandal in the financial market regarding black market trading. A trader named Trader A was working for Bank A. He noticed country M has pegged its currency to a fixed price while country N did not do that. He opted to trade country M currency. Across the aisle his colleague trader B was working for bank B. He traded country N's currency. Would country N's currenccy be traded or not traded in the balck market?

A:
not traded