Geological agents Crossword

occur when water alternately moves upwards and downwards
mounds or hills of sand with a defined crest
surface area of the Earth that remains icy throughout the year
motions of masses of water that displaced within the ocean
water movement caused by the gravitational attraction between the moon or sun and Earth
wave that moves away from the shore
current parallel to the shore
snow accumulated over ages
white ice whose color becomes light blue
snow accumulation during the formation of a glacier
clay and sand particles removed from the surface due to wind action
action that wears and polishes fine grains of sand transported by the wind