Answer:
Maintain a relative humidity of 30 to 50 percent
Explanation:
Apart from using ventilation, biological contaminants in our homes can be reduced by ensuring that the relative humidity level is between 30 to 50 percent. If it is above this figure, growth of mold and dust mites begin to develop. It is also important to keep your carpets dry and clean and ensure your house is clean at all times.
False, it increases the population where people are migrating to
