I think the answer is the sun but i could be wrong
.........gold??..........its a guess
The correction option is VENTILATE THE AREA.
In order to reduce indoor air pollution, the best thing to do is to ventilate the area. Ventilation involves provision of fresh air into a room in order to flush out and eliminate indoor pollution.
Bioremediation is the process of using living organisms to detoxify a location. Microbes are used to clean up contaminated soil and groundwater. The organisms that are used in this process are: bacteria, fungi, archaea. For example, b<span>acteria are introduced to the area of the spill where they break down the hydrocarbons of the oil into carbon dioxide;</span>..