AP Environmental Scienceeasymcq1 pt
A positive feedback in the climate system is
A.ice melt exposing dark water that absorbs more heat
B.clouds reflecting sunlight
C.oceans absorbing CO₂
D.plants growing faster
Explanation
Core Concept
Melting sea ice swaps reflective white for absorbent dark ocean, amplifying warming — feedbacks that reinforce the initial change.
Correct Answer
Aice melt exposing dark water that absorbs more heat
More Unit 9: Global Change practice questions
- hardThe main lesson of the ozone story for climate policy is that
- hardWhich statement about ozone recovery is accurate?
- easyA country emits 10 Gt CO₂e and cuts emissions 30% by 2030. Its remaining emissions are
- hardWhy do some scientists call for preserving biodiversity as climate strategy?
- hardWhich is a limitation of planting trees as a climate solution?
Practice more AP Environmental Science questions with full explanations
Practice Unit 9: Global Change Questions →