The answe is the 4th choice
I believe <span>Erta Ale from Ethiopia, Hekla from Iceland, and Ol Doinyo Lengai from Congo.
Hope this helps!</span>
In this question in which is the major source then of free oxygen in the earth's Proterozoic atmosphere is being produce by the evaporation of the ocean water. Hope this answer would be of big help to this assignment then.
Answer:
The results of scientific explanation can be drawn through scientific observation and data.
Explanation:
Scientific explanations are inferred or concluded from scientific observations that was taken by the researcher because these scientific observation provides information and data to the researcher in order to formed scientific explanation from it. We can conclude scientific explanation if we have the scientific observation or in other words, The results of scientific explanation can be drawn through scientific observation and data.
Answer:
Fe + CuSO4(aq) → FeSO4(aq) + Cu(s) The type of reaction is a displacement reaction. In this reaction, the highly reactive metal iron replaces the Copper in copper sulphate by giving up two electrons and gets oxidized and forms a new compound called ferrous sulphate.