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Author Question: A PLC system has the ability to change the control scheme without having to physically change the wiring. (Read 344 times) |
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Medication errors are three times higher among children and infants than with adults.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).