The cellular machinery that replicates dna inserts an incorrect base a) most of the time b) about half the time c) roughly once on every million bases d) roughly once in every 10 million generations

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What is the most abundant vertebrate on earth?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.