[Q]: David is a doctor who works for the public health department. After analyzing health data for his city, he found twenty percent of the population have myopia. He categorized them as group A. Another eighty percent didn't have myopia. He put them in group B. He now needs to devise a plan on how to tackle myopia in his city. Which group would more likely engage in visually intensive works, group A or group B?
****
[A]: group A

[Q]: The government of Ecuador has been actively pushing to increase biodiversity. They have been quite successful in their pursuit. Moreover, the citizens of Ecuador are receptive about the idea of increased biodiversity. On the contrary, the Government of Oman was not very active in increasing the biodiversity of their country. As a result, Oman, at present, is not very biodiverse. Which place would have more key species, Ecuador or Oman?
****
[A]: Ecuador

[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, August 2018 or August 2019?
****
[A]: August 2018

[Q]: David needs to purchase a camera for his photography class. He went to the local consumer electronics store to find himself a good camera. Two cameras caught his eye, camera A and camera B. Camera A had a very small pinhole, but camera B had larger aperture. David needs to decide which camera should he buy. Which camera would have lower beam power, camera A or camera B?
****
[A]:
camera A