Uranium is weakly radioactive because all its isotopes are unstable (with half-lives of the 6 naturally known isotopes, uranium-233 to uranium-238, varying between 69 years and 4.5 billion years).
The median annual wage for occupational therapy assistants was $59,010 in May 2016. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $39,160, and the highest 10 percent earned more than $80,090.
Requirements. Education. The minimum education requirement for an occupational therapy assistant is a two-year associateâs degree. The degree should be from a program accredited by the American Occupational Therapy Association. Courses vary by school, but will generally include coursework in biology, psychology, kinesiology (the science of movement) and a variety of occupational therapy courses.