<Tr> <Th> 1990 </Th> <Td> 35,167,708 </Td> <Td> + 51.0% </Td> </Tr> <Tr> <Th> 2000 </Th> <Td> 47,466,523 </Td> <Td> + 35.0% </Td> </Tr> <Tr> <Th> </Th> <Td> 63,364,000 </Td> <Td> + 33.5% </Td> </Tr> <Tr> <Th> 2014 </Th> <Td> 77,584,000 </Td> <Td> + 22.4% </Td> </Tr>

Which of the following is an explanation for why the arabian peninsula is tilted