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What is the slope in percentage, and how to translate it to degrees

Ammonia - is the antithesis of water and analogue ...?

What are platelets, and what should be their level in the blood

What the region and how it differs from the district and the region

What is different from a wasp bees: a brief guide for the "Dummies"

That is why math in life

Cassiopeia - Constellation, immortalized heroes of the ancient world

And yet where the Volga empties?

As a matter of fact is called sea Croatia?

Bangladesh ... This is where?

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The inhabitant of the oceans - sawfish
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