Problem: Given the question: Ted and Larry studied environmental sciences. They are learning about greenhouse gasses this week. Ted reads about carbon dioxide, while Larry reads about methane gas. Which student read less about the most significant long-lived greenhouse gas in Earth's atmosphere?
++++++++++++++++++++++++++++++++
The answer is:
Larry

Problem: Given the question: Scientists studied two island. One with an old ecosystem named Old island, and the other with a newly formed and forming ecosystem named New island. Both islands were inhabited, Old island being heavily inhabited. Which island had a more favorable soil for new ecosystems?
++++++++++++++++++++++++++++++++
The answer is:
New

Problem: Given the question: Los Angeles receives a steady year-long supply of high amounts of sunlight and wind. Because of this, Los Angeles is able to power many of its buildings and factories using renewable resources. Las Vegas, however, receives barely any sunlight or wind throughout the entire year. As a result, they use little renewable resources and instead power most of the city through non-renewable resources like fossil fuels. Which city, Los Angeles or Las Vegas, emits less greenhouse gases?
++++++++++++++++++++++++++++++++
The answer is:
Los Angeles