Thawing Permafrost _______________

Thawing permafrost _______________.

A) creates problems for oil pipelines, which run underground in high latitudes
B) reduces climate change dangers by absorbing atmospheric heat
C) increases climate change dangers by injecting warm water into the Arctic Ocean
D) puts buildings at risk of damage, but does not disrupt transportation
E) leads to a reduction in biodiversity by removing vegetation that protects snowbanks