A) The medical information
Since 1913, the medical knowledge has vastly changed. Medical terms that are today common-knowledge (DNA, chemotherapy, etc.) were not even in existence in 1913.
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Answer:
Scientists are ecologically concerned about the future.
Explanation:
because it is talking about economy
Answer: The answer is hyperbole
Explanation: A hyperbole is a figure of speech that is an intentional exaggeration for emphasis or comic effect.
A)as because it's used to connect the dependent clause to the independent clause (as is also one of the most popular subordinating conjunctions)