A baby whale receives 12 litres (3 gallons) of milk in less than 5 minutes and nurses forty times a day.
Relative values
Relative values Researchers have found that by crossing commercial
varieties of rice with related wild varieties, crop yields can be
significantly increased. An increase in resistance to a virus which
destroys rice crops in Latin America has also been found in these
hybrid rice plants. 27 NOVEMBER 1999, P. 13
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