Q&A: The Nephilim, Spiritual Gifts, and the Age of the Earth

On today’s Bible Answer Man broadcast (03/16/23), Hank answers the following questions:

I don’t believe that in Genesis chapter 6, the sons of God and women procreated. Is this correct?
Are the spiritual gifts mentioned in 1 Corinthians 12 still for today?
I’ve heard you say the flood was local and not necessarily global. If so, why did animals need to go on the ark?
Based on the genealogies how can I believe the earth is millions of years old? How can we be certain carbon dating is accurate?