The mutation resulting in sickle-cell disease changes one base pair of dna so that a codon now codes for a different amino acid so it is an example of a

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

answer(1) tab per dose.;