When Alfred Wegener first published his theory of continental drift, the vast majority of scientists refused to accept the theor
y. It took 50 years before the theory of continental drift was accepted by the scientific community. What most likely caused geologists to accept Alfred Wegener’s theory?
The puzzle shapes also helped them understand his theory, so did tectonic plates, I gave you all I know! I wish I could help more but I haven’t learned this stuff in years! I’m sorry! Anyways hope you find out!
They are like that because they can't always be faulty and may have at least some spark of truth to this theory also as stated earlier a theory in scientific terms is just an observation so it can't really be turned down hence theory.