Help me pls I don't this at all if you know pls help me

What happens to rock when acid reacts with it?

What first caused people to consider that the continents were once one large landmass?

The diagram shows , , and . which statement can be proven true from the diagram? a. ∠dgb is supplementary to ∠ega. b. ∠dgb is supplementary to ∠cgb. c. ∠cgb is supplementary to ∠agd. d. ∠ega is supplementary to ∠egc. e. ∠egd is supplementary to ∠cgb.