Can anyone help me on this : -
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still confused for this question anyone can answer this ???
What is confusing you here? You could take two approaches to answering the question:
Using a combination of 1. and 2. should lead you to the correct answer.
If you don't know why the answer is A. at all then ask specific questions here and folk can try and help you understand.
thanks Stewart Burchell I was just confused between option A and B I just wanted to know the best practice I can implement