Solution:

Rasmas is lying, how can he be so well-shaven after being alone in the woods for a week?

Solution:

Strawberries don't grow on bushes.

Solution:

Open doors.

Solution:

No human footprints.

Footprints in snowy weather are inevitable. Therefore, while the dog leaves paw prints in the snow, its human companion doesn't.

Solution:

The ghost is marked in the picture below.

Solution:

Ghosts don't sweat, so the girl in the center is not a ghost.

Solution:

Greenhouse.

Solution:

Bottom one

Solution:

No road to the right.

Solution:

According to the clock, sunset is impossible at this hour.