Can someone help me with these questions.

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 - ?

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !