Because people are dirty and take too much space
Civilization is about 12000, earth about 4.54 billion years old. 12000/4540000000 is about 2.65*10^-6 or about 0,000265 %. If you compressed the entire existence of our planet
Ten million years from now, the African Rift valleys will resemble the current Red Sea.
~Hope this helps!
It’s austria.. the person who said portugal is wrong because portugal is not even in main land europe