Forgetting or neglecting to wash hands before handling
Answer:
Positive feedback helps because it shows what the person needs to work on with out feeling like a complete idiot about it.
Answer:
the world's urban areas are highly varied, but many cities and towns are facing problems such as a lack of jobs, homelessness and expanding squatter settlements, inadequate services and infrastructure, poor health and educational services and high levels of pollution
As the air passes through the nasal cavities it is warmed and humidified, so when it reaches the lungs its warm and moist.