Answer:
wym i canr see the examples
Explanation:
The answer is; UV (ultraviolet)
The security pens use UV light to illuminate some marking on an object,such as a watermark, to identify its authenticity or owner. The markings are usually invisible to the naked eye under visible light. The marks are only visible when illuminated with UV light. This is because the marking is made of a fluorescent material that absorbs light of a shorter wavelength (this case UV) and emits a longer wavelength (this case visible light).
Tha answer is radiant energy
DNA replication is a process in which two copies of DNA which are duplicate of each other are formed from original one so <span> the event that will follow DNA replication in a cell cycle is
</span><span> Chromosome duplication
</span>because by this new genetic material is produced and it is also defined as duplication of the gene containing region of DNA
so i conclude option B is correct
hope it helps