the answer to your question is a
I believe the answer you're looking for is "The columbian exchange." Hope this helps.
in 63 of the nation's 99 legislative chambers, committee chairs are appointed by the president of the Senate or the speaker of the House. Sometimes, another legislative leader—such as the president pro tem, the speaker pro tem or the majority leader—selects the committee chairs.
When water changes from liquid to gas at its boiling temperature the process is called vaporization. When this phase change occurs at a temperature below the boiling point it is called evaporation.