Based on the graph, which of these conclusions is most likely correct about the period between 1800 and 1825? (3 points)
O There was a decrease of global temperatures.
O There was an increase of global temperatures.
There was severe rainfall during this period.
O There were several earthquakes during this period.

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Why is the melting of ice a physical change ?