Final answer:
D. All of the Above. Slip-resistant footwear protects against slipping on various surfaces like ice, snow, and contaminants. Design features and materials provide increased friction to prevent slips.
Step-by-step explanation:
Slip-resistant footwear can protect you from slipping on all of the above: ice, snow, and contaminants on the walking surface. These types of footwear are designed with special features, such as textured soles or outsoles with patterns or rubber compounds that provide increased friction.