Air is the invisible mixture of gases that surrounds our planet. It is made up mostly of nitrogen and oxygen, which are essential for life. We breathe in air to get the oxygen our bodies need to function. Without air, living things like humans, animals, and plants would not survive. Air also plays a crucial role in weather and climate. It helps carry heat from the sun, creating wind and influencing temperature. The movement of air can lead to different weather patterns, such as rain, snow, or sunshine. Understanding air is important for predicting the weather and protecting our environment.