Age of the Earth: Young or Old
Here's a quick one to consider. The Himalayas are supposed to have been around for more than 50 million years. It is known they get taller by 1 cm every year.
So the quick math of that is 50,000,000 times 1 cm
Why aren't the Himalayas 50,000,000 cm's tall?
50,000,000 cm's is 500 kilometres.