Bannoni102 Bannoni102

16-10-2022
Biology

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7. The following graph shows the concentrations of various gases making up Earth's atmosphere in its early history Explain how a chemical analysis of the elements present in minerals taken from rocks dating to 4 billion years ago would have provided evidence that helped create this graph. In particular, explain how evidence from rocks demonstrated a lack of oxygen in the atmosphere at the earliest stages of Earth's history.

7 The following graph shows the concentrations of various gases making up Earths atmosphere in its early history Explain how a chemical analysis of the elements class=

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Questions 5-10 refer to the following chemical structures. Match the statement with the structure in the image. help please!

Questions 5-10 refer to the following chemical structures. Match the statement with the structure in the image. PLEASE HELPP!