Answer:
Movements along faults can make it harder for geologists to determine the relative ages of rock layers.
Explanation:
The absolute age of a sample is its age in years. This method of determining absolute age is called radiometric dating, and it involves the decay, or breakdown, of radioactive elements. Using radiometric dating, scientists can determine the actual age of a rock.
A. Plants and animals do not interact with each other.
Plants and animals HAVE to interact with each other in an ecosystem. Some animals may need to eat certain plants to stay alive. Plants also help provide c02 for the atmosphere.
The major player of the earth that's liquid is the outter core