Final answer:
The primary cause of burns in adolescents and adults is fire. Burns can result in dehydration, electrolyte imbalance, and other complications. Precautions should be taken to prevent burns.
Step-by-step explanation:
The primary cause of burns in adolescents and adults is fire. Burns can occur when the skin is exposed to intense heat, causing damage to the skin cells. This can result in dehydration, electrolyte imbalance, and other complications. It is important to take precautions to prevent burns and to seek medical attention if a burn occurs.