Help Tom McCune determine the sex of the skeleton by identifying the specific parts of the skull and circling their characteristics on the chart below; then answer the question that follows and provide your reasoning.

Sex Characteristics of the Skull
Feature	Male	Female
A. supraorbital ridge	prominent	slender
B. occipital protuberance	prominent	slender
C. mastoid process	long, broad	short
D. mandible	square	V-shaped

What is the sex of the unknown skull?

Record observations that support this determination: