general knowledge 65

Test # 65

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The metals in which among the following groups are required in maximum quantities in a living organism ?

Terminology :
geochemistry : the study of the chemical composition of the earth's crust and the changes which take place within it.      .. More >>

1.causing physical or psychological pain
2.causing misery or pain or distress
3.exceptionally bad or displeasing
4.causing physical discomfort      .. More >>

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Basic English Usage
If you give an apology, you say you are sorry for doing something wrong.

If you give an excuse, you provide a reason or explanation for the problem (this can be seen as trying to avoid responsibility).
  • Apology: "I'm sorry I was late. It won't happen again."
  • Excuse: "I was late because my car wouldn't start."
  • Apology: "I'm sorry for the mistake in my report. I should have checked the statistics more carefully."
  • Excuse: "Well, if you hadn't rushed me to finish the report, I wouldn't have made a mistake!"

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