Leftover radiation from the big bang is your answer hope i helped
While adding we need to follow that the units of mass i.e., kilogram and gram are converted into grams before addition and then follow the simple addition process. We can add two or more units of mass given in kilogram and grams like ordinary numbers. Always express grams as 3-digit numbers for example 3 g = 003 g.
Because the world rotates around and God the creator changed up the earth that's the biblical answer but a scientific answer would be due to himans
The answer to this question is Gene