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.
Pursue a Masterâs Degree in Occupational Therapy. Although most occupational therapists only needed to receive a bachelorâs degree to become licensed previously, all states except Colorado began mandating that occupational therapist professionals have at least a masterâs degree in 2007.