What is the biblical bases for giants living through Noah's flood?
Before flood:
Genesis 6:4 KJV
There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare children to them, the same became mighty men which were of old, men of renown.
After flood:
1 Chronicles 20:8 KJV
These were born unto the giant in Gath; and they fell by the hand of David, and by the hand of his servants.
Numbers 13:33 KJV
And there we saw the giants, the sons of Anak, which come of the giants: and we were in our own sight as grasshoppers, and so we were in their sight.
Joshua 15:8 KJV
And the border went up by the valley of the son of Hinnom unto the south side of the Jebusite; the same is Jerusalem: and the border went up to the top of the mountain that lieth before the valley of Hinnom westward, which is at the end of the valley of the giants northward: