____is used as anode for prevention of corrosion 1 aluminium 2 magnesium 3 iron
1 answer:
Answer:
I'm not sure but I think the answer is Cathodic protection.
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The answer is the 3. Hope this helped!
You need oxygen and water
I believe that it is a chemical change.
Answer:
4.5m/s
Explanation:
speed = distance/time
speed = 18/4
speed = 4.5m/s
H :) (I tried sorry if im wrong)
