Answer:
Lead was discovered in the water.
Explanation:
Lead sometimes may leak into the water due to contamination form either waste that was dumped into the water or there are minerals in the water that may have formed.
Loss of consciousness...
all of the others are not emergency situations
Answer:
If air is polluted, the air contains harmful gases and health status become poor. In contrary, if environment is clean and fresh, the health will be good. Therefore, health, population and environment education are interrelated in physical aspect. Health, population and environment are integrated terms.
