Final answer:
The first action Noah took after disembarking the Ark, based on a biblical account not included in the provided references, was to build an altar and offer burnt offerings to God as a sign of gratitude.
Step-by-step explanation:
The first thing that Noah did when he got off the ark was not explicitly mentioned in the materials provided above. However, according to Genesis 8:20 in the Bible, which is outside the provided reference materials, Noah built an altar to the Lord and offered burnt offerings on it. This act of worship was seen as a thanksgiving to God for survival and a new beginning after the flood.