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.
To become an occupational therapist, one should complete an entry level education (high school diploma or general equivalency diploma or GED degree) before enrolling in an accredited associateâs or bachelorâs degree in occupational therapy.he occupational therapist should possess a minimum entry-level credential of either an associateâs degree or 2 years of hands-on occupational therapy training experience and pass a certification exam to become a certified occupational therapist (COT).