We know Pangaea existed because of fossil evidence. There were fossils of the same animal found on Africa and South America. This animal couldn't have possibly swam across the ocean. Therefore, making the idea of Pangaea plausible.
BASCILY texture is feel of something an Composition is what does it take to make up something.Texture is based on the sizes, shapes and position of the rocks grains. The Composition of a rock is determined by the minerals that make up the rock. Composition and texture are two characteristics that scientists use to classify rocks.
They look at the mineral composition of the rocks. There are some minerals that can only form in the presence of oxygen.
It helps to breakdown rocks without affecting their chemical composition or altering their minerological properties.
1. The continents fit together, like a jigsaw puzzle. 2. Similar plant and animal fossils. 3. Large ice sheets. 4. Tropical plants. 5. Scratches on the rocks.
The chemical composition of these rocks is determined. The results showed that these rocks are virtually identical to those of the Earth.
He used fossils, climates, and rocks.
Yes, the composition of the rocks is as a result of the distinct chemical composition.
rocks
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It is true that the composition of a sedimentary rock depends upon the composition of the rocks and living things its sediments come from. Sedimentary rocks form through lithification.
The composition of a comet is frozen gases, dust, and rocks.
Scientists classify rocks based on their mineral composition, texture, and how they were formed. These classifications help geologists understand the history and properties of rocks. There are three main categories for classifying rocks: igneous, sedimentary, and metamorphic.
Metamophic Rock :)
Alfred Wegener found glacial striations on rocks in Greenland and Scandinavia while studying evidence for continental drift and the theory of plate tectonics. Glacial striations are scratches or grooves on rocks caused by the movement of glaciers over time. Wegener used these features to support his idea of a supercontinent called Pangaea that later split and drifted apart.
Igneous rocks are classified based on mineral composition and texture, metamorphic rocks are classified by texture and mineral composition, and sedimentary rocks are primarily classified by their grain size and composition. These classifications help scientists understand the origin and characteristics of each type of rock.
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