Evaluate the summation, from \(n=0\) to infinity, of the fraction with numerator 12 and denominator \(4^{n}\).

Answer: 1613) Earth and Space - Multiple Choice Greenhouse gases build up in the atmosphere of Earth and limit the amount of heat escaping back into space. Which of the following is not a greenhouse gas for Earth?

W) Carbon dioxide

X) Argon

Y) Nitrous oxide

Z) Methane
X) ARGON