It depends on your definition of “ancient.” Radiometric dating using Carbon-14 can reliably date back to about 50,000 years, uranium-lead or lead-lead dating can date back multiple millions, potassium-argon dating can reach 1.5 billion, and rubidium-strontium can reach 50 billion (nearly 4x the age of the universe). It depends on the context in which this question is being asked.
Answer:
The nervous system does depend on other systems visa versa.
Explanation:
They depend on each other because the brain needs nutrients given from the system and also the systems need the sensors from the nervous system.
Answer:
Energy is the ability to do work