Category: Regional Specifics

What are the 6 types of fossils?

There are 6 types of fossils. They are body, trace, cast and mold, living, s carbon film, and petrified wood. What are 6 ways fossils are formed? The five most often cited types of fossils are mold, cast, imprint, permineralization and trace fossils. Mold or Impression. A mold or impression fossil is formed when the

What is a rock science?

To geologists, a rock is a natural substance composed of solid crystals of different minerals that have been fused together into a solid lump. The minerals may or may not have been formed at the same time. What matters is that natural processes glued them all together. What is a rock easy definition? Definition of

What happens at oceanic continental convergent plate boundary?

When oceanic lithosphere and continental lithosphere collide, the dense oceanic lithosphere subducts beneath the less dense continental lithosphere. An accretionary wedge forms on the continental crust as deep-sea sediments and oceanic crust are scraped from the oceanic plate. What happens at oceanic continental convergent boundaries? When oceanic crust converges with continental crust, the denser oceanic

When those two continents split 65 million years ago what were formed?

When those two continents split 65 million years ago, what were formed? Part of molten rock at mid ocean ridges. Items they provide evidence that continents were once closer together. What were formed when Pangaea broke apart? About 200 million years ago Pangaea broke into two new continents Laurasia and Gondwanaland. Laurasia was made of

What does downwelling cause?

Downwelling is where surface water is forced downwards, where it may deliver oxygen to deeper water. Downwelling leads to reduced productivity, as it extends the depth of the nutrient-limited layer. Upwelling occurs where surface currents are diverging, or moving away from each other. Does downwelling increase temperature? By Temperature Graphs: Bottom waters suddenly increase and

When was quartz founded?

September 24, 2012 Available in English Net income -$18.4 million (2019) URL qz.com Commercial Yes Launched September 24, 2012 Who founded Quartz? The quick history of Quartz is that the business news publisher was launched in 2012 by co-founders Seward and Kevin Delaney under Atlantic Media with the intention of covering the global economy. Then

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