Student question: Could George Washington's own speeches have been recorded live to a compact disc?
Teacher response: The detailed solution is: George Washington died in 1799. CDs weren't invented until 1982..

Student question: Would a person with Anorexia nervosa be more likely to break a bone than a regular person?
Teacher response: The detailed solution is: People with Anorexia Nervosa restrict food and as a result lack essential nutrients. Many people with Anorexia Nervosa, are at high risk for osteoporosis(and to a lesser extent bulimia nervosa) will have low bone density and consequently reduced bone strength. People with Anorexia Nervosa, are at high risk for osteoporosis..

Student question: Did the Qwerty keyboard layout predate computers?
Teacher response: The detailed solution is: The Qwerty layout was originally developed for mechanical typewriters in the 1870s. ENIAC was considered to be the first computer, built in the late 1940s..

Student question: Could a white cockatoo have lived through the entire Thirty Years' War?
Teacher response:
The detailed solution is: The Thirty Years' War lasted 30 years. White cockatoos have been reported to live between 40-60 years in captivity..