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2 is B, 6 B ,7 A that's I know I hope this may help you
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A mutation is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Mutations in sex cells are more serious because they are heritable and affect the next generation.
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An unfertilized egg is shed from the body during menstruation. The lining of the uterus become thicker, getting ready in case of pregnancy.
It is not a fun experience :(
It can affect the dogs diet and can eventually become bad if given too much
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The waves move toward land. When waves crash into the land over a long time, they can break rock down into smaller pieces. These pieces are called sand. A shoreline is a place where the land and the water meet.
