The 25th Amendment changed the office of the president by:

if the president can't work the vice president becomes the president

Explanation:

The Twenty-fifth Amendment to the United States Constitution says that if the President becomes unable to do their job, the Vice President becomes the President.

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation: