Answer:
Oxygen and safety.
Explanation:
Environments constitutes the important component that re necessary to sustain the life of the living organisms. The individuals over exploiting the environment for their personal use.
The LPN/ LVN ( Licensed practical nurses / licensed vocational nurses) can explain the needs of the environment. The environment provides the oxygen for the respiration of the living organisms. The environment also provide safety from the harmful gases.
Thus, the answer is oxygen and safety.