Answer:
George Washington
On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States.
Temperature and density increases from the crust to the core.
By the mid 2030's. You can find it on their website.
Because the toxins from gas are not good to breath in and eventually we will al die from it