If earth's atmosphere did not contain greenhouse gasses and was only composed of nitrogen and oxygen, by how much would earth's temperature change? select one: a. increase by 1°c b. decrease by 1°c c. increase by 10°c d. decrease by 60°c e. earth's temperature would not change by the elimination of greenhouse gases. which of the following is not a true statement about global climate change? select one: a. carbon dioxide is the most abundant greenhouse gas b. the concentration of carbon dioxide in earth's atmosphere has been steadily increasing since the start o c. earth's oceans are taking in the majority of the additional heat kept in the earth-atmosphere system due d. earth's oceans are warming, rising, and becoming more acidic. the industrial revolution. to global warming e. large volcanic eruptions cause temporary global cooling