<span>During the twentieth century, absolute date was added to the relative time scale. </span>Geologic time scale uses both relative and absolute dating techniques. <span>Soon after the discovery of radioactivity, geologists used radioactive isotope decay to develop a method for determining absolute ages of rocks</span>
They can accidentally catch dolphins, turtles, even orcas. Greenpeace is actively trying to get them banned.
Answer:
what element is all life based on
Explanation:
the element is element carbon
It’s an organ that is part of the circulatory system