When is radiometric dating possible? A. when a substance is made of unstable atoms

B. when a substance contains a fossil

С. when the mass of a fossil is unknown

D. when relative dating will not work

Match the description of each organism to the appropriate category

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?