Question

1. how did the first hawaiian island appear, visually, millions of years ago?

Explanation:

The first Hawaiian Island was formed by volcanic activity. Volcanoes erupting from the ocean floor gradually built up layers of lava and other volcanic materials over millions of years. Initially, it would have been a volcanic cone emerging from the sea - possibly with active lava flows, steam vents, and a rugged, newly - formed terrain.

Answer:

It likely appeared as a volcanic cone emerging from the ocean with active lava flows, steam vents, and a rugged, newly - formed terrain.