Water exits the leaves of plants and caters the atmosphere. What is this process called?

Depending on the organism the number of in a cell may change

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?