Some happens gradually, and some happens suddenly
It all happens suddenly
Slow geologic processes and catastrophic events
Slow geologic processes and catastrophic events
frogs
I think you are going for plate tectonics.
Cenozoic
Africa
compare ancient scientist to modern scientist?
Robert Grosseteste was the FIRST modern scientist. He is the father of the scientific method.
Africa. They do not ' believe ' it so much as accept the evidence for it.
new technology
Galileo