Many geologists believe that limestone deposits on land exist where ancient seas used to be. The moisture, over many centuries, created limestone.
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The answer is A
Limestone is formed on the floor of ancient seas from the skeletal remains of marine organisms such as coral, forams and molluscs, etc.
Yes.
Diatomaceous earth and limestone are both sedimentary rocks composed of the remains of ancient organisms. However, they are chemically different. Diatomaceous earth is mainly composed of the silica cell walls of diatoms, while limestone is mainly composed of calcium carbonate from the shells and skeletons of marine organisms.
pollen
Many geologists believe that limestone deposits on land exist where ancient seas used to be. The moisture, over many centuries, created limestone.
Limestone is a type of sedimentary rock comprised of minerals calcite and aragonite. Limestone deposits are evidence of ancient seas with some limestone being dated as far back as 470 million years ago on the area where North America now stands.
The ancient pyramids were composed of limestone rocks. The limestone came from quarries on the banks of the Nile River.
Limestone.
Limestone is a sedimentary rock formed of calcite or calcium carbonate deposits from ancient sea life. Sandstone is a metamorphic rock formed from sand which has been solidified by some geologic process. Quartzite, for example, is a type sandstone formed from solidified grains of quartz sand.
Luxor of Egypt
Limestone and marble.
Brick and Limestone.
Limestone is a rock. Limestone is composed of the remnants of shells etc of ancient creatures (hundreds of millions of years old). Most limestone is around 450 million years old.
From Sudan
They used limestone for most of their pyramids and mostly pure brute strength to carry the limestone.
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