<u>Answer:</u>
<em>Because there is not enough evidence to prove just one theory</em>
<em></em>
<u>Explanation:</u>
It is tough to explain the whole development of the earth together with some different theories. We don't know how long the whole universe will last or we don't know is there a probability for the universe to get extinct.
Everything related to universe is still mysterious and every theories which has been proved till today can be modified at any time because we know that the universe is expanding and we cannot state a stable theory for its origin. However, that depends on the future which we cannot define and it also modify the possible fate of the world.
<h2>Answer: Atoll</h2>
An atoll is an oceanic coral island, usually in the shape of a circular ring, which may be completely or partially closed. It is also called by this term to the set of several small islands that are part of a coral reef, with an interior lagoon that generally communicates with the sea.
Atolls are formed when a coral reef grows around an oceanic volcanic island, as the island sinks into the ocean and disappears underwater, the growth of the coral increases until reaching the sea level, where the action of the wind and the waves erode it and transform it into sand.
It should be noted that this process can take millions of years.
In this sense, the Maldives, an island country located in the Indian Ocean (southwest of Sri Lanka and a few kilometers from India), has these characteristics.
Its territory is organized in 26 atolls and as a country it is constituted by some 1200 islands.
He took all power, kept control of nobles, divided China into districts ruled by appointed officials, and organized a tax system.
I would think that the layer of sandstone would be B. Younger than 300 million years because it's above the layer of limestone.
