Discuss each question with your team. Be prepared to explain the reasoning behind your team's answers after the quiz.

1. Which of the following molecules is NOT abundant in Earth's atmosphere?
   • Methane
   • Butane
   • Water vapor
   • Carbon dioxide
2. Blackbody emission from a cooler object will emit light ________ than blackbody emission from a hotter object.
   • of longer wavelength and lower energy
   • of longer wavelength and higher energy
   • of shorter wavelength and lower energy
   • of shorter wavelength and higher energy
3. True or False: Biological life has changed the composition of the Earth's atmosphere on a major scale.
   • True
   • False
4. Which of the following is the largest reservoir of CO2 on Earth?
   • The atmosphere
   • Fossil fuels
   • Plants, soil, and living creatures
   • The oceans