Question

Millions of years ago, it was a vibrant seabed but now it is transformed into a dry area​

Answer 1

Explanation:

Advanced Individual Training (AIT) is where you will learn the skills to perform your Army job. At one of many diverse AIT schools, you'll receive hands-on training and Mathematics includes the study of such topics as quantity, structure, space, and change. It has no generally accepted definition. Mathematicians seek and use patterns to formulate new conjectures; they resolve the truth or falsity of such by mathemati

Answer 2

In a darkened room at the American Museum of Natural History in New York, a wall of unassuming stone stretches nearly to the ceiling. At first glance, it looks like a slab destined for a kitchen island or countertop, with black, white, and pink speckles mixing in bands of minerals that stretch far above my head. But then the display light flicks from white to black, and the 10-ton rock glows neon orange and green.

“You cannot help but drop your jaw," says George Harlow, the curator of the museum's newly renovated Mignone Halls of Gems and Minerals, where the rock stands.

The stunning vibrancy betrays the minerals' uniqueness: They formed on the bottom of a now-vanished ocean some 1.2 billion years ago, at a time when spindles of algae smaller than rice were among the largest forms of life. In this ancient ocean, metal-rich particulates burbled up from hydrothermal vents and settled to the seafloor in layers, creating a particular mix of elements that now fluoresce when exposed to ultraviolet light.

The rocks are a vivid reminder of just...