Answer:
Hel spit is found along the western portion of Gdańsk bay in Poland. It has lots of sand particles which forms dunes as a result of its location. It is situated near a beach which contains very strong wind and water forces.
These forces are responsible for the movement and formation of the sand particles and the Hels pit is as a result of wind and water erosion present in the area.
The surface of the Moon reflects light coming from the Sun onto the Earth, which causes the Moon to shine from our perspective.