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Tema dating ru

The ostrich is the bird that lays the smallest egg for its size.Although it is the largest single cell in nature, an ostrich egg is less than 2 per cent of the weight of the mother.

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They are so similar to conditions on Mars that NASA used them to test the Viking mission.You have found some interesting material for the presentation and you want to read this text to your friend. When they fail to join up, the result is a cleft palate.You have 1.5 minutes to read the text silently, then be ready to read it out aloud. So one ancient fish explains two ancient human mysteries.The unique conditions in the Dry Valleys of Antarctica are caused by so-called katabatic winds.These occur when cold, dense air is pulled downhill simply by the force of gravity. You will not have more than 1.5 minutes to read it. The answer is that they migrated back inside the head to become internal.

The weather stays so cold for so long that they cannot eat enough to keep alive. You have 1.5 minutes to read the text silently, then be ready to read it out aloud. The question is, if humans evolved from fishes, where did the other pair of nostrils go.

Its egg accounts for 26 per cent of its own weight.

An ostrich egg weighs as much as twenty-four hen’s eggs; to soft-boil one takes forty-five minutes.

Queen Victoria tucked into one for breakfast and declared it among the best meals she had ever eaten.

The largest egg laid by any animal – including the dinosaurs – belonged to the elephant bird of Madagascar, which became extinct in 1700.

A desert is technically defined as a place that receives less than 10 inches of rain a year. As well as the driest place on Earth, Antarctica can also claim to be the wettest and the windiest.