Q: Two lakes had been stocked with fish two years before.Blue lake had an abundant fish stock because nobody fished there, but Green lake was open for fishing. Blue lake had some polution and disease problems. Which lake had a lower natural mortality last year?
A: Green lake

Q: 2018 was a very wet year for the Four Corners area, because of the subtropical ridge, 2019, on the other hand was a dry year influenced by the same weather phenomenon that lacked strength in this year. Which month of the year was wetter, July 2018 or July 2019?
A: July 2018

Q: 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 secretion of parathyroid hormone (PTH)?
A: Danny

Q: Barry and Will are two geologists. Barry is specialized in subduction zones and new seafloor. Will is specialized in montology. Which person learned more about isostasy?
A:
Barry