Fri February 22, 2008 By:


Expert Reply
Fri February 22, 2008

Yes it is important to balance a equation. How many marks will depend on the type of question and your work is not cent percent you are leaving scope for deduction of marks. A lenient  examiner will cut half a mark i and strict examiner will  give zero.

Tue October 17, 2017

what is edema?

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