No wonder they say that the atmosphere is the blue shield of the planet. The atmosphere is only one millionth of the mass of the globe, but its significance is enormous! It protects the Earth from meteorites and ultraviolet rays, excessive cooling and overheating. The oxygen in the air provides life. Weather forms in the lower atmosphere. Smells and sounds spread in the atmosphere.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.