Name fallacy and then explain why, plz rly need help

Formal fallacy. A formal fallacy is an error in the argument's form.[2] All formal fallacies are types of non sequitur.

Appeal to probability – a statement that takes something for granted because it would probably be the case (or might be the case).[3][4]
Argument from fallacy (also known as the fallacy fallacy) – the assumption that, if an argument is fallacious, then the conclusion is false.[5]
Base rate fallacy – making a probability judgment based on conditional probabilities, without taking into account the effect of prior probabilities.[6]
Conjunction fallacy – the assumption that an outcome simultaneously satisfying multiple conditions is more probable than an outcome satisfying a single one of them.[7]
Masked-man fallacy (illicit substitution of identicals) – the substitution of identical designators in a true statement can lead to a false one

The one that most represents the earths mantle would be the skin since the mantle is the upper part of the earths depths which is just like the skin of an apple.