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Science Bowl Question

📅 NSB 2013🎓 HS🔄 Round 2#️⃣ Q24🌟 BONUS📝 Multiple Choice

While most scientists believe global warming will cause soils of northern latitudes to emit more carbon dioxide, one recent study predicted they would sequester more carbon in the future. Which of the following mechanisms could explain this?

W) Warmer temperatures accelerate soil respiration
X) Warmer temperatures promote vegetation growth, which fixes more carbon
Y) Warmer temperatures dry out soils
Z) Warmer temperatures cause vegetation to grow and die faster, which puts more carbon into the soil and accelerates soil respiration
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