Answer:
Metallic Minerals are minerals in which metal elements are present in their raw form. Non-metallic minerals do not contain any metal substances in them. When metallic minerals are melted a new product is formed. ... Non-metallic minerals are often found embedded in young fold mountains and sedimentary rocks.
Explanation:
Ocean engineers could combat the corrosive ocean water by investing a new material which does not corrode in the ocean. Ocean engineer are prepared people to make a build systems that monitor an control coastal environment.
For preventing corrosion requirement of elimination or suppression using two principal methods, cathodic protection and coatings. They are normally, cathodic protection system are used in conjunction with coating systems.
Main objective or aim of the cathodic protection is to suppress the electrochemical reaction taking place. These engineers and naval architects work along the coast- both offshore and land.Sometimes these engineers work on oil rigs, where they oversee the repair of system that they may have design.
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Answer:
The moon is 4.53 billion years
2. A.
3. C.
4. B.
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Explanation:
The independence or dependence between two people or things
