Which event was occuring on earth when florida was located a the equator?

There are choices for this question namely:

(1) The dome-like uplift of the Adirondack region began.
(2) The earliest dinosaurs appeared on Earth.
(3) Oceanic oxygen began to enter the atmosphere.
(4) Earth’s first coral reefs were forming.

The correct answer is that the earliest dinosaurs appeared on Earth. Attached is an image regarding the geologic history of New York state. According to the image, Florida was at the equatorial region at Triassic period around 232 million years ago. The Triassic period is when the earliest dinosaurs appeared on Earth.