Being a living example of a tobacco-free lifestyle can: all of the above.
All of the listed options is an example of a tobacco-free lifestyle. It could certainly prevent others from trying to smoke, convince others to stop smoking, and make others around you more healthy.
The correct option is C.
First Aid is defined as the initial treatment that is given to individuals that become suddenly ill or injured. The treatment is typically given immediately after the occurrence of the event and is used majorly to stabilize injured or ill people pending the time the right medical assistance is received.
Waste disposal, food source, medicines, medicinal therapies, and aquaculture are all ways that humans impact the marine environment, humans utilize marine resources, and how marine environments have impacted humans. Our waste disposal hurts marine life. Many times, fish and other marine life gets tangled in human waste and dies. The beaches are full of garbage that is just thrown away. We use items and animals from the ocean for medicines and other items that are needed for human use. The correct answer is D, all of the above.