Cotton was probably first used in the Nile Valley in ancient Egypt
Indicate whether the statement is true or false
T
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An overhung pinion uses ________.
A) Two tapered roller pinion bearings B) One pinion bearing C) Four ball-type pinion bearings D) Three roller pin ion bearings
Biotechnology is a relatively new phenomenon that is only about 1,000 years old
Indicate whether the statement is true or false
Which governmental agency is responsible for monitoring the development and testing by private companies of new vaccines to ensure their safety and efficacy?
A. Agricultural Research Service of the USDA B. FSIS (Food Safety and Inspection Service) of the USDA C. APHIS (Animal and Plant Health Inspection Service) of the USDA D. NIH (National Institutes of Health) E. All of the above
Two technicians are discussing clogged EGR passages. Technician A says clogged EGR passages can cause excessive NOx exhaust emission. Technician B says that clogged EGR passages can cause the engine to ping (spark knock or detonation). Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician