Several blocks of magnesium are fixed to the bottom of a ship to Options: A . &nbsp Keep away the sharks B . &nbsp Make the ship lighter C . &nbsp Prevent action of water and salt D . &nbsp Prevent puncturing by under-sea rocks

Several blocks of magnesium are fixed to the bottom of a ship to

Question -

Several blocks of magnesium are fixed to the bottom of a ship to

Options:

A . Keep away the sharks

B . Make the ship lighter

C . Prevent action of water and salt

D . Prevent puncturing by under-sea rocks

Answer: Option C
:
C

Magnesium provides cathodic protection and prevents rusting or corrosion thus preventing the action of water and salt.

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