| Former-Teacher | Date: Monday, 31.01.2011, 09:41 | Message # 1 |
 Dean
Group: Admins
Messages: 504
Status: Offline
| Dear Netters!
Please, do not confuse these two different words;
- Principal as an adjective means 'important, main, leading, critical'
- Principal as a noun means 'director, head-manager, executive, headmaster', i.e. 'My friend is a school principal'.
- Principle as a noun means 'main rule, most essential norm'
Finally, do not confuse the spelling - principal but principle
So, in this piece of a sentence, you can see this very mistake:
'... Darwin took into account mostly morphological criteria and based his research on the principals of natural selection,...'
So, the word 'principal' must be substituted by the word 'principle'
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