Answer:
A. optical isolation
Explanation:
well I can't really give a good explanation because I also saw the same question in my exams and option A was the correct answer
Their purpose is to protect the weld area from oxygen, and water vapour.
Answer:
Rubber:Covalent bonding
Barium sulfide:ionic bonding
Solid xenon: Van daar Waal bond.
Bronze:Metallic bond
Nylon:Covalent bonding
Aluminum phosphate: mixture of ionic and covalent bond
Explanation:
Rubber is mainly composed of isoprene which is predominantly covalent bond
Barium sulphide is predominantly ionic bonding
Is xenon is inert its bond is van daar Waal
Bronze is an alloy of metal usually held by metallic boding
Nylon:covalent bonding
Aluminium phosphate have a mixture of covalent and ionic bond
If your web site contains specific codes searching for problems and errors is much easier and faster.
Explanation:
- If your web site contains specific code, it will be much easier to derive information at short interval of time.
- The term Specific Code makes work faster and precise.
- Just enter the coding, then all the errors and problems will be displayed.
- Source code is the code behind every Web page.