6) Explain, how drumlin can show the direction the glacier was moving?

Drumlins are generally found in broad lowland regions, with their long axes roughly parallel to the path of glacial flow. Although they come in a variety of shapes, the glacier side is always high and steep, while the lee side is smooth and tapers gently in the direction of ice movement.

Explanation:

Hope this helps!!

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.