The attack on the united states in september 11 2001
The ozone layer is what protects us from the suns radiation.
Your question doesn’t sound right but that’s what I think you asked for.
I found this online for you....
A. A person with a higher income pays more money in taxes.
A progressive tax's percentage is dependent on what income bracket you are in. So if you are in a higher income bracket (you earn more) then you would pay a bigger percentage than someone in a lower income bracket. That is why it is a "progressive tax", because it gets progressively bigger.
Christopher Columbus is the answer most likely to be correct but, there is an argument for Leaf Erikson