Answer:
What is radioactive dating? Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks
Answer: Noise
Explanation: According to the communication process, noise is defined as the factor due to which the sender to receiver communication gets interfered .The transmission of the message gets disrupted due to noise.
Ralitza is also facing a barrier while in the class and thus not able to focus on the class discussion. The thought of calling her parents is acting as the noise source in the mind of Ralitza.
Yes because you can use them to colect data and analyze it