Answer:
a) the author of "living alone is the new norm" uses research to convey his ideas, while the author of " will wi-fi ruin mount everest" largely relies on personal experience
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Answer:
By spreading its operations across a network of computers, blockchain allows Bitcoin and other cryptocurrencies to operate without the need for a central authority. This not only reduces risk but also eliminates many of the processing and transaction fees.
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Answer:
Good annotations are specific, show the connections and evidence that's being used, and use your own words with clear meaning. Bad annotations are vague and minimal, are inserted at random so it "looks finished", and just try to get the "right answer".
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2.2 I think that's the answer