Radiometric dating, often called radioactive dating, is a technique used to determine the age of materials such as rocks. It is based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.
Answer:
The queer theorist goes by Judith Butler.
Explanation:
Judith Butler remains one of the critical writers and influentials in the field of Queer Studies. In his book, Gender Trouble: Feminism and subversion of identity, and several of his writings, Butler challenges that gender is natural by claiming that gender is performed through a set of repeated actions within a highly rigid regulatory frame that congeal over time to produce the appearance of substance of a natural sort of being.
With this foremost interventionism, Butler lays the foundation of providing requisite perspective into gender issues, feminism, and other controversial gender specific issues - gay, homosexuality, and et al.
The answer is B because sedatives are drugs that relax the central nervous system (CNS) and are taken to calm down or induce sleep
The answer is A. a light wave
C and D both need water as a medium and sound needs air to vibrate in order to travel. light, on the other hand, does not need a medium