Thawing permafrost _______________. a. creates problems for oil ...

[craiczarry]

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

Question 2

Landslides due to the melting of permafrost ____.
   a. are shallow and only affect a few meters as the thawed layer slides off the remaining permafrost
   b. create rotational slumps as deeper thawed areas loosen the connection of permafrost to the supporting layers
   c. are extensive and damaging, where lakes and streams warm the ground
   d. create large translational slumps as unthawed permafrost slides over subsurface meltwater
   e. can be avoided if vegetation maintains a deep snow cover

[Brummell1998]

Answer to Question 1

ANSWER: c

Answer to Question 2

ANSWER: a