A．Inaccurate information about long-term climate changes.
B．Evidence that contradicted Milankovitch's hypothesis.
C．Evidence that climate changes occur only locally.
D．Variations in Earth's orbit that had little impact on climate.

A．Knowledge of one's own existence.   
B．Knowledge acquired through the senses.         
C．Knowledge humans are born with.
D．Knowledge passed down from the previous generations.

A．To discover what can be considered foundational knowledge claims.
B．To challenge the philosophical concept of foundationalism.
C．To show that one's existence cannot be proven.
D．To demonstrate that Locke's view were essentially correct.