James wants to estimate the absolute age of an animal fossil. However, test results show that the fossil doesn’t contain any atoms of carbon-14. What can James conclude about the lack of carbon-14? A. The animal, whether living or dead, never had carbon-14 in its system. B. The animal’s carbon-14 decayed long before the animal died. C. Finding another fossil nearby without carbon-14 will guarantee that he has matching fossils. D. Without carbon-14, it will be an impossible task to estimate the age of the fossil. E. Without carbon-14, James can use relative dating to estimate the age of the fossil.

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.