What is permafrost?
The deeper parts of the soil that stay frozen even through the summer.
Permafrost = Permanent Frost
Another name for Arctic?
Tundra
How thick can permafrost be?
10 to 35 inches
Describe the Arctic seasons
Very harsh winter and a cool summer. During the summer much if the snow melts and forms soggy marshes and bogs.
How do marshes and bogs form?
The permafrost prevents the melted snow and ice from draining into the ground water, so marshes and bogs form.