Question: Iran an Iraq are 2 neighbors. Iraq produces its electricity by burning fossil fuels, while Iran uses nuclear fission as its energy source. Which country causes more acid rain?
Answer: Iraq

Question: Two students at the Agricultural Institute studied pedology. Bob studied soil weathering, while Dan studied types of soil. Which student studied less about rainfall?
Answer: Dan

Question: Deep lake presents geothermal activity, while Shallow lake has mixing of saline water with fresh water. Deep lake had more instances of divers having problems because of thermoclines. Which lake was less dangerous to divers?
Answer:
Shallow