Complete the sentence. a primary role of a sports physician
a. involves working with clients to improve their basic motor skills
b. includes the diagnoses of sports injuries
c. entails motivating people during exercise routines
d. none of the above

7 - sun

8 - its energy requirements are unbelievably, terribly high

9 - fission

10 - radioactive waste material, for example from the use or reprocessing of nuclear fuel.

11 - The Nuclear Regulatory Commission licenses and regulates civilian use of nuclear energy to protect public health and safety and the environment

12 - ?

13 - ?