Answer:
WBC.
Explanation:
WBC have cells, hence the name White Blood CELLS. They also contain a nucleus.
Answer:
The stratospheric ozone layer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting Earth's surface and harming living organisms. UV rays cannot be seen or felt, but they are very powerful and change the chemical structure of molecules.
Explanation:
Would it be its beak? It's hard and protective like scales
