1. What is it about the Earth that leads you to believe it is young?
Note that the Bible is not a valid answer to this, you must
restrict yourself to the natural world. Oh yeah, pointing out
ways in which apparently old things could be interpreted as young
doesn't really count. Ya see, if a theory is correct there ought
to be something you can point to and say, "look, this is obviously
a confirmation of my theory", saying "sure this looks like it
confirms theory X, but if we paint it green and saw its legs off,
it confirmsmy theory" looks rather suspicious.
2. Why does the Earth and everything on it look pretty old? Why do
ice cores/tree rings/radiometric dating/coral reefs etc. all
seem to say the Earth is old? Why is it that comparing the dates
that these and other methods give us they give very similar
results? What event or physical law could have caused all of them
to be wrong, and all by the same amount? What evidence is there
that this event (whatever it may be) happened or that this law
exists (try to avoid circular reasoning in your answer)?