Multiple choice

People describe Alaska as having “drunken trees” because:

  1. Many Alaskan trees grow in bogs soaking in fermented juices

  2. Trees tip as nitrates in the soil convert to "laughing gas"

  3. Trees tip from buckling of the ground due to permafrost thaw

  4. Arctic hare have gnawed away tree roots for winter nutrition

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Drunken trees are a common sight in areas with permafrost; as the ground thaws and becomes unstable, the trees tilt in various directions.