A worm crawled the first 4 hours of its journey at speed of 15 meters per hour and the remaining 7 hours at 12 meters per hour. How far is the whole journey in meters?

Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to

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Which factor listed below most likely results in the loss of genetic variation from small populations? question 2 options: mutation migration genetic recombination genetic drift