Answer:
Genetic Code
Explanation:
The environment favors some characteristics of plants, animals and microbes over others.
These character differences are often genetically based so that favored characteristics may increase in the next generation. The shorter the generation time, the faster this evolutionary change can occur.
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WWI tanks were used to lead infantry advances across no mans land (option a ). It was a welcome development, as it was hoped it would help ending the long and casualties provoking trenches type of war.
Answer:
According to the generally accepted opinion, in the “roaring twenties” Americans departed from traditions, yielding to the temptation of new ideals and unlimited tolerance. However, it should be noted that not all society was captured by unorthodox trends. There were also those who were disgusted with the excesses of "modernism" and fear of its dangers. The second decade of the 20th century was marked by both the movement for change and the stubborn resistance to these changes.
Explanation: