They all have different compositions of protons, neutrons, and electrons. This causes variety and makes atoms different so they can make up different substances
X is the dominant allele / curly hair , females have two X chromosomes and males have an X and Y
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.
