There 2.5e+6 centimeters in 25 kilometers.
Answer:
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Explanation:
B. Both mechanical and chemical waethering
The equation that shows the formation of chromium (ii) ion from neutral chromium atom is as follow
Cr ---> cr^2+ + 2e-
Cr^2+ is the chromium ion with oxidation state of two which is one of the common ion of chromium. Other common ion of chromium include chromium of oxidation state 6 and 3
