Geography, Scientific 0 comments on Aquifers


The water on the earth is recycled constantly in a process known as the hydrologic cycle. First, the water in the oceans evaporates. It changes into vapour and forms clouds in the sky. Water accumulates in clouds and returns to the surface of the earth in some form of  precipitation, which can be either rain, snow, or ice.

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Biological, Health – Medicine 0 comments on Pain


Pain is a common and definite event which can be easily recognised; but the observation of its effect on character or behaviour is less easy, less complete, and less exact, especially in the temporary relation of doctor and patient. In spite of this difficulty, certain impressions  gradually take form in the course of medical practice, and are confirmed as experience grows.

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