Please answer this: Thorn county used fossil fuels for their energy needs, while Plant county used nuclear power. Which county caused less air pollution?
++++++++
Answer: Plant
Problem: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras. Which person read less about the Pyrenees of Europe?

A: Laura
Problem: Given the question: Two animal collectors met online to talk about trading animals. Greg was a reptile collector and owned most reptile species. Danny collected rare birds but was thinking about buying some reptiles. Which person owned more animals with a reproductive system that has evolved for internal fertilization?
++++++++++++++++++++++++++++++++
The answer is:
Greg
input question: Two counties paid a study about acid rain. They found out Hill county had experienced that, while New county hadn't. Which county experienced more precipitation destructive to wildlife????
output answer: Hill
Two groups f people presented allergy symptoms. Group Alpha inhaled some allergens, but they were in a very protected environment, while Group Beta ingested some allergens and was exposed to a wide variety of other allergens. Which group did not get any itchy rashes?
----
Answer: Group Alpha
Q: Ken is a scientist who studies atomic systems. He is currently responsible for studying two systems that they are referring to as Omega and Alpha. These two systems are essential to the research that is being done to potentially allow humans to travel to Mars in a reasonable amount of time. Little is known about these systems currently, but scientists have observed that Omega has been steadily gaining more potential energy. Alpha has been rapidly losing potential energy. Ken is hoping to discern why this is happening and try to utilize his findings to further space exploration. Which system is less stable?
A:
Omega