Question

page 1 page 2 global greenhouse gas emissions, 2013 6% 2% 10% 76% carbon dioxide methane nitrous oxide fluornated gases based on the pie charts, how do global greenhouse gas emissions differ from us greenhouse gas emissions? the world emits more carbon dioxide and less methane than the united states. the world emits less combined nitrous oxide and fluorinated gases than the united states. the world emits less carbon dioxide and more methane than the united states. the world emits more fluorinated gases and methane than the united states.

Explanation:

Step1: Analyze Global Emission Percentages

From the global pie chart: Carbon dioxide (CO₂) = 76%, Methane (CH₄) = 10%, Nitrous oxide = 6%, Fluorinated gases = 2%. Combined nitrous oxide + fluorinated gases = 6% + 2% = 8%.

Step2: Evaluate Each Option

• Option 1: World CO₂ (76%) > US? Methane (10%) < US? Not enough info, but assume US has different. Wait, standard US vs global: US has more methane (e.g., US methane ~15 - 20%? Not exact, but logic: Global CO₂ 76% (high), Methane 10% (low). So "more CO₂, less methane" could fit. Wait, no—wait the options: Let's recheck. Wait the third option: "less CO₂, more methane"—no, global CO₂ is 76% (high), so "more CO₂, less methane" (option 1) or "less combined nitrous + fluorinated" (option 2: global combined 8%, if US has more, then option 2 says world emits less combined—so if US has, say, 10% combined, then world (8%) is less. But the key is, from the global chart, combined nitrous + fluorinated is 8%. Now, standard US data: US nitrous oxide + fluorinated gases: nitrous ~5%, fluorinated ~3%, total ~8%? Wait no, maybe not. Wait the first option: "world emits more CO₂ and less methane than US". Global CO₂ 76%, US CO₂ is ~80%? No, wait US is part of world. Wait maybe the correct approach is: From the global pie, CO₂ is 76% (large), Methane 10% (small). So if US has, say, Methane 15% (higher than 10%), then world (10%) is less methane, and world (76%) is more CO₂ than US (maybe US CO₂ is 80%? No, maybe I got it wrong. Wait the third option: "less CO₂, more methane"—no, global CO₂ is 76% (more than US? Maybe not. Wait the correct answer is likely the first option? Wait no, wait the options: Let's re-express.

Wait the problem is about comparing global vs US. Let's assume:

• Global CO₂: 76%, Methane: 10%, Nitrous + Fluorinated: 8%.

US typical emissions: CO₂ ~80%, Methane ~15%, Nitrous + Fluorinated ~5%. Wait no, maybe reverse. Wait the key is the third option: "The world emits less carbon dioxide and more methane than the United States." No, global CO₂ is 76% (if US has, say, 80%, then world is less? No, 76 < 80? Then "less CO₂"—but 76 is high. Wait I'm confused. Wait the correct answer is the first option? No, wait the third option: "less CO₂, more methane"—no. Wait the second option: "world emits less combined nitrous and fluorinated than US". If US has, say, 10% combined, then world (8%) is less. So option 2: "The world emits less combined nitrous oxide and fluorinated gases than the United States."—this would be correct if US has more than 8% combined. But how to know? Wait the global combined is 6% + 2% = 8%. Now, let's check the options again.

Wait the first option: "more CO₂, less methane"—global CO₂ 76% (more than US? If US has 80%, no. If US has 70%, then yes. Methane: global 10%, US 15%—then world has less methane. So "more CO₂, less methane" (option 1) would be correct. But wait the third option: "less CO₂, more methane"—no. The fourth option: "more fluorinated and methane"—global fluorinated is 2% (low), methane 10% (low). So incorrect.

Wait maybe the correct answer is the first option: "The world emits more carbon dioxide and less methane than the United States."

Answer:

A. The world emits more carbon dioxide and less methane than the United States.