Question: Earth's spheres help us understand how different components of the planet interact. Which sphere contains the majority of Earth's air, including the gases essential for breathing and weather systems? Need Assignment Help? Option A The hydrosphere, which includes water in all its forms, such as oceans and clouds Option B The lithosphere, which consists of Earth's crust and upper mantle, and is made up of solid rock and soil Option C The atmosphere, which is the gaseous envelope that surrounds Earth, and that plays a key role in climate and respiration Option D The biosphere, which includes all living organisms that rely on air to survive