Question

which of the following is included in the natural ventilation​

Answer 1

Explanation:

What is natural ventilation? Natural forces (e.g. winds and thermal buoyancy force due to indoor and outdoor air density differences) drive outdoor air through purpose-built, building envelope openings. Purpose-built openings include windows, doors, solar chimneys, wind towers and trickle ventilators

Answer 2

Answer:

forest, soil, sun,etc are in the the natural ventilation