The Earth's crust is made of large sections called tectonic plates. These plates drift around on currents in the mantle. The place where two plates meet is called a boundary. Answer and Explanation:1 Ocean floor spreading, also known as sea flood spreading, occurs when two plates have a di...
What causes surface currents on the ocean? Which evidence supports the theory of the ocean floor spreading? What do scientists use to map the ocean floor? Where did the Atlantic ocean floor come from? What is the average depth of the ocean floor?
Instead of spreading with flowers and seeds, it spreads by cloning itself. As its roots spread out under the se a floor, new plants shoot up from those roots.The seagrass in Shark Bay is also unusual in another way. It's a “polyploid". Usually, an organism(有机体)has two parents, ...
Integrated floor heating within the exposed concrete floor acts a heat bank during winter while the concrete maintains a cool finish in summer. Storm water is collected to flush toilets and irrigate the landscape. Modified cladding materials achieve a concrete look and feel, without the expensive...
The theory of plate tectonics and the discovery of sea floor spreading have confirmed the theory of continental drift, the movement of continents.Sea floor spreading was discovered in the North Atlantic, and soon afterward in all other oceans.What we found is that—in the areas around oceanic ...
Those with diarrhea shouldavoid swimmingin public areas, sharing a bathroom or preparing food for others to avoid spreading the infection. Diarrheal diseases, including those caused byE. coli, are a major health issue around the world. The development of vaccines aims to reduce the number of infe...
What is the true shape of the universe? A flat universe has Euclidean geometry, and the simplest shape it can adopt is that of a sheet. There are also other, more complex shapes that a flat universe could have, such as a "3-torus." ...
Scientists Found the World's Largest Plant D. New Underwater Grass Is Discovered 相关知识点: 试题来源: 解析 1.B 细节理解题。 根据第二段最后一句可知,科学家比较 海洋植物的DNA是为了去发现海洋植物的多样性。 故选B。 2.C 题。 根 第四 “As its roots spread out under the sea floor, ...
They will change the bed or give you a clean gown or towel. Wash all personal items that fall on the floor. Send personal clothes home to be washed in the washing machine.How can I help prevent falls?Wear safe clothing. Wear slippers with rubber soles to help prevent slipping. Wear ...
Section 2 What You Will Learn Restless Continents Section 2 What You Will Learn Describe Wegener’s hypothesis of continental drift. Explain how sea-floor spreading provides a way for continents to move. Describe how new oceanic lithosphere forms at mid-ocean ridges. ...