It's ALL about p-r-e-s-u-p-p-o-s-i-t-i-o-n-s. Everyone enters the discussion with one of two (or more) presuppositions. Either:
1) God's "revelation" (what he tells us) is the primary truth.
2) Science is the primary truth.
These two "truths" are compatible. That is what many don't know...