Identify and describe two pieces of evidence from the lesson, or previous lessons of the module, that support your claim. Here are some examples of the types of evidence discussed in the lesson: scientific explanations about the composition of Earth’s atmosphere shortly after its formation experimental data or conclusions that investigated early Earth conditions the changes that led to current atmospheric composition evidence for the emergence of anaerobic and aerobic organisms on Earth evidence that explains the effect of free oxygen on the evolution and processes of Earth systems other evidence that changes in the biosphere affect other Earth systems.