Okay so basically there was no picture attached, so I can't exactly figure out the answer. Although just looking at the answer choices, it has to be either B or C, those are the only true statements out of the four. Here's how to tell which one it is. Look at the picture, and if it has a nucleus, then the answer is C, but if you don't see any nucleus, then the answer is B. Hopefully this answer helped, I tried my best without seeing the picture! :)
Answer:
Radiometric dating often called radioactive dating is a technique used to date materials such as rocks or carbon, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.
Explanation:
Sound production is also known as phonation, and involves the process of vibrations generated by a combination of respiration, the vocal organ and the vocal tract. The physical structures that birds use are highly similar to that of humans, and the sounds that is generated travels through respired air.
Mostly fossils such as Animals with hard shells and bones. get fossilized