Answer:
The biological and socio-cultural aspects of the environment are related to health and population. Human beings, birds, vegetation, insects, animals, etc. come under biological aspects and rules and regulations, customs, traditions, religious places, etc. are socio-cultural aspects.
Hand hygiene, PPE (personal protective equipment), and work practice/engineering controls. This includes needle safety devices, needle-less systems, sharps containers, HEPA filters, and negative pressure rooms.
The drug can be laced and made poorly. You never know what is put inside of it because it is not a law in the U.S. to tell your buyer what is put inside of it unless they ask. Also sellers of ecstasy usually are not selling what they tell you. Most of the time they are selling you MDMA.
