Your answer is A
Offering your friends something unhealthy or unsafe is considered peer pressure
A hazardous material is any item or agent ( it can be biological, chemical, radioactive, and any sort of physical object ), that has the potential of harming any biological creature or the environment (by biological we mean humans, animals etc.)
Any substance that is a health hazard is a hazardous material. Here are some examples : chemicals with carcinogents, toxic agents, sensitizers etc.
Answer: risky
Explanation:
It can cause people not to eat school meals and not be able to focuse the rest of the day.