You can make a scary face by grabbing your bottom lip with your top teeth. When you do this, your mandible moves in an anterior direction. This is an example of

Retraction.

Explanation:

When someone suffers from lower eyelid retraction, it means that their lower eyelid has actually been pulled downward which is an example of a scary face.

Another example is by grabbing your bottom lip with your top teeth. When you do this, your mandible moves in an anterior direction.

i believe the correct answer is d

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///