Answer:*The winter setting creates
a vivid scene. -It was made of stout birch-bark, and
its full surface rested on the snow.
Dark spruce forest frowned on either
side the frozen waterway.
*The tundra is isolated and
still. -A vast silence reigned over the land.
*Even in the midst of
winter, there is action on
the tundra.- But there was life, abroad in the land
and defiant.
*The environment requires
special equipment.-It was made of stout birch-bark, and
its full surface rested on the snow.