Is the Age of the Earth topic – just a side issue? Have you heard this before: “Can’t you be a Christian and believe in Evolution or the Billions of years?”
“RESPONSE: It is possible to do this, but only if you don’t think much about the consequences of deep time and evolution for the Gospel. See: Did God create over billions of years? It is certainly not a side-issue for evangelism, because the perception that you ‘can’t believe the Bible because of science’ is a huge stumbling block for many people; see: Being ready to answer. It is also a big factor in apostasy, with many testifying to how theistic evolution shipwrecked their faith (Charles Templeton, for example: Death of an apostate). The idea of death before the fall of Adam is most definitely not a side issue.”
Read more about that here: https://creation.com/blockers-and-knockers
Consider also having AOI visit your church, school or group: https://www.discovercreation.org/events/set-up-information/