Two friends went to the doctor because they weren't feeling well. As it turns out Danny had a condition called hypercalcaemia, while Greg had hypocalcaemia. Which friend had an excessive intake of vitamin D?
Ans: Danny

Two neighboring towns used different approaches to agriculture. Big town used pesticides and fertilizers, while Small town applied permaculture principles and organic farming methods. Which town had more growth of water plants because of fertilizer?
Ans: Big

John works for the NSF. He has two research proposals in front of him, case A and case B. Both are looking for further funding. Case A research has been replicated by other researchers, but case B research could not be replicated by others. He needs to decide which research should get further funding. In which case the original results were most likely incorrect, case A or case B?
Ans: case B

John is studying a species in two similar countries, country A and country B. Country A has large population, but country B has small population of that species. John is pondering about how this species would fare in the future in these two countries. In which country the growth rate of the species would be lower, country A or country B?
Ans: country A