Question

how does the image of buddha tend to vary from statue to statue?
some have extended earlobes, whereas others do not.
the eyes of buddha can be wide open or half closed.
the buddhas hands can be placed in a variety of positions.
some have the urna between their eyebrows, whereas others do not.

Explanation:

The image of Buddha statues can vary in multiple aspects. Extended earlobes symbolize renunciation of material life, eye - openness can represent different states of awareness, hand - positions (mudras) have specific symbolic meanings, and the presence or absence of the urna (a mark between the eyebrows) is also a variable feature.

Answer:

All of the above (i.e., Some have extended earlobes, whereas others do not; The eyes of Buddha can be wide open or half closed; The Buddha’s hands can be placed in a variety of positions; Some have the urna between their eyebrows, whereas others do not)