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:
in reproductive cloning , researchers remove a mature somatic cell such as a skin cell from an animal that they wish to copy .
they transfer the DANA of the donor animals somatic cell into an egg cell , or oocyte that has had animal is referred to as a clone
The answer to your question 12