Gaseous mixtures are combinations of two or more gases that can exist together in the same space. Each gas in the mixture retains its individual properties, and the overall behavior of the mixture can be described using the principles of gas laws. Common examples include the air we breathe, which is primarily a mixture of nitrogen, oxygen, and small amounts of other gases. The composition of a gaseous mixture can vary, affecting its density, pressure, and temperature. The ideal gas law can be applied to these mixtures to predict how they will behave under different conditions. Understanding gaseous mixtures is essential in fields like chemistry, environmental science, and engineering.