Why is the greenhouse effect important to life on Earth? A. The greenhouse effect absorbs x-rays in the winter time.
B. The greenhouse effect helps Earth’s atmosphere hold in heat.
C. The greenhouse effect makes it much colder at the North and South poles.
D. The greenhouse effect reflects harmful radiation into the upper atmosphere.

Steam reforming of methane ( ch4) produces "synthesis gas," a mixture of carbon monoxide gas and hydrogen gas, which is the starting point for many important industrial chemical syntheses. an industrial chemist studying this reaction fills a 1.5 l flask with 3.5 atm of methane gas and 1.3 atm of water vapor at 43.0°c. he then raises the temperature, and when the mixture has come to equilibrium measures the partial pressure of carbon monoxide gas to be 1 .0 atm. calculate the pressure equilibrium constant for the steam reforming of methane at the final temperature of the mixture. round your answer to 2 significant digits.