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Author Question: Which data flow diagram shows what activities the system is performing without having to specify ... (Read 63 times) |
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.