The preferred dating technique for obtaining a numerical age of an archaeological sample of charcoal is Radiometric dating, a technique used in estimating the absolute (numerical) age of geological materials such as rocks, minerals or organic matter, which is achieved from radioactive isotopes; which are based on the isotope decay series with constant rates of radioactive decay.
The Opponent-Process theory of color vision holds that we perceive colors because of pairs the receptors that make antagonistic responses. <span />
Abiotic Factor-a nonliving condition or thing, as climate or habitat that influences an
ecosystem and the organisms in <span>it
True</span>
