Sustainability Grows More Urgent Every Year as ________ Contribute(s)to ________

question 74

Multiple Choice

Sustainability grows more urgent every year as ________ contribute(s) to ________ that are threatening quality of life-and possibly life itself.

• A)carbon emissions;climate changes
• B)global warming;global mean temperature (GMT)
• C)the greenhouse effect;the carbon cycle
• D)bio-energy sources;renewable GHGs