Using the exponential model from the previous question, match the following: Partial and negative credit Points may have been deducted for incorrect answers. Prompts Answers 1 Q equals Incorrect: t = years since 1850 Correct answer: C = global CO2 emissions 2 Q subscript 0 equals Correct: initial value = 0.4529 billion tons 3 r equals Incorrect: growth rate = 0.4529 = 45.29% Correct answer: growth rate = 0.0273 = 2.73% 4 t equals Incorrect: A = average global temperature Correct answer: t = years since 1850