Discover the pieces of the Earth's crust known as tectonic plates. Explore the layers of the Earth, how tectonic plates move by convection currents in the mantle, the Plate Tectonic theory, and the landforms created by plate tectonics.
What causes the tectonic plates to move according to the most widely accepted theory? A. External impacts from asteroids B. Convection in the asthenosphere (a part of the mantle) C. Chemical reactions in the core D. Changes in sea - level 相关知识点: ...
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plate tectonics is the theory that earth’s outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. the plates act like hard and rigid shells compared to earth’s mantle. this strong outer layer is called the lithosphere. the earth’s ...
Converging and diverging plates are the cause of natural disasters such as volcanoes. Other types of shifting and movement of the tectonic plates, such as moving sideways and slipping past each other, can cause earthquakes and tsunamis. How each of these happens is explained in detail in the fo...
D. It has correctly explained the effects of extraterrestrial impactors on Earth’s surface. E. It corrects a fundamental flaw in classical geology. 我们在文章的倒数第二句话可以看到作者提及了“tectonic theory”,而文章的最后一句话告诉我们这个理论的基础来自于牛顿,因此答案选C。
With the introduction of the plate tectonic theory, the source area was interpreted as a temporarily elevated compressional ridge at an active continental margin, variously explained as a subduction me´lange complex or imbricated outer edge of an accre- tionary prism (e.g. Misˇ´ık, ...
According to the theory, this cycle of breaking apart and coming together happens because of subduction, which occurs when tectonic plates converge with one another.The supercontinent cycle also ties into ocean formation. The below example of the Wilson Cycle specifically keys in on how the ...
An enduring question in geology is when Earth's tectonic plates began pushing and pulling in a process that helped the planet evolve and shaped its continents into the ones that exist today. Some researchers theorize it happened around four billion years ago, while others think it was closer to...
Video: Mid-Atlantic Ridge | Plates, Map & Boundaries Video: Seafloor Spreading Theory | Definition, Diagram & Evidence Video: Slab Pull | Definition, Thoery & Examples Video: Subduction | Definition, Process & Effects Video: Subduction Zone | Definition, Characteristics & Examples Video: ...