Final answer:
Skin changes and issues with taste or smell can indicate exposure to hazardous materials, as these substances can impact these senses and lead to various health-related symptoms. The correct option is A. Skin changes
Step-by-step explanation:
The indication of a hazardous material through changes in other people’s senses can include a variety of symptoms. One clear sign is skin changes, which can be characterized by skin problems such as irritation, burns, or rashes due to chemicals being absorbed through the skin or eye contact.
Additionally, exposure to hazardous materials can lead to loss of appetite, weight loss, poor growth, hair loss, vision problems, and a lack or decrease in taste or smell.
Changes in smell and taste have a significant impact on behavior and health and are important in identifying exposure to hazardous substances. The correct option is A. Skin changes