No there are 4 pre early middle and late
I think it's B(Im not sure on that one) C D and maybe E I'm sorry if I'm wrong
I have no idea what this has to do with health but it’s true
Send me to pictures on message! There is no picture included
I'm can't give much of an explanation as to why so sorry about that but the answer to your question would be A, as the principle of uniformitarianism is about geological processes acting the same in the past as they did now.