Define the geologic time scale and explain why geologists use it to show earth’s history.

d) center of the mid-ocean ridge

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sinserly,

steckh986

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.