Answer:
Ureters - These are long narrow tubes that carry urine from the kidneys to the urinary bladder. They are not what carry urine from the bladder to the outside of the body. That is called your Urethra.
Explanation:
Occurs naturally on earth
Fight or flight, because according to Hans Selye, this occurs at times of danger when your adrenaline is heightened.
Carbon dating is a process that estimates the age of anything. However, there are flaws that exist. It may not be a precise number, but it does gives a good estimation.