Natural ventilation takes place when the natural movement of air transfuses air. Natural movement of air keeps the buildings or the surrounding afresh. Typically windows, holes in the roof, and doors.
Explanation:
Natural movement of air without the help of mechanical tools to and from a place of higher concentration to a lower concentration or vice versa. Natural ventilation usually takes through windows and doors. When windows open they create a window driven ventilation.
By opening and closing windows we can manage the air flow.
To have spectacular fall colors, one has to live in warm climates because in that climate, trees lose their leaves and become dormant during the winter. When leaves of different colours fall, it leaves the environment colurful.
A commucist organization formed in Cambodia in 1970 became a terrorist organization in 1975 when it capture Phnom Penh and create a government that killed an estimate three million people Democratic Kampuchea
