Need ! after its formation, early earth experienced several crucial events that were responsible for creating its spheres. match each precambrian event to the sphere it played the biggest role in creating answers frequent volcanic eruptions emit large amounts of carbon dioxide. clouds form, followed by rains. molten lava solidifies into a solid crust. matches lithosphere atmosphere hydrosphere

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?