The probability of contracting an illness is called the _________ rate

During his second year of life, Titus suffered a long and severe illness that left him well below his expected weight and height. After recovering from the illness, Titus suddenly experienced rapid gains in both height and weight. This event is best explained by

A. plasticity. B. the proximodistal principle. C. catch-up growth. D. the secular trend.

While Sarah and Renee are watching a movie on a large screen of an airplane flying through the Grand Canyon, both of them feel motion sickness. Why?

A. Expectation of feeling sick from the reports of their friends. B. Information from the visual system contradicts information from the vestibular system. C. They have flying phobia. D. Motion sickness is most common among thrill-seekers like Sarah and Renee.