Suppose 10 percent of the mainland population of lizards are yellow. The other 90 percent are green or brown. Of 10 lizards that colonize an island, 6 of them are yellow. Will
the frequency of yellow skin among the descendants of these lizards be the same as the
frequency in the mainland population?

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false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

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genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).