Why is the lithosphere hydrosphere and atmosphere in the biosphere?

What is the common ores of calcium? What do scientists observe to help them interpret Earth's geological history? Weather conditions on the road? What is the difference between topsoil and fill? Which is issued when severe weather conditions exist and immediate action should be taken? What is a variable gas in the atmosphere? How is the fertility of soil renewed and conserved? Why is thunder heard after the lightning is seen? At the Mid-Atlantic Ridge plates are moving apart at about what rate? What is cloudy day? For terrisuom why are these certain places picked to attack? Why might a small increase in the dimensions of an object cause a large change in its volume? 3 types of rainfall and where each type is likely to occur? What is the external energy that drive the Earths systems? Has an earthquake ever occurred in the middle of a continent? What does EF4 or EF5 mean? Why lattice energy of nacl is greater then kcl and kbr? Why does temperature increase as the depth of soil increases? Why is wind erosion more likely to happen in dry areas then moist areas? What era is when earths atmosphere formed?

Why is the lithosphere hydrosphere and atmosphere in the biosphere?