Why are the Earth's layers different? Layers of the Earth: Like an onion, the Earth is comprised of several layers. The four identified layers are: {eq}\rightarrow Crust:\,Outer\,most\,layer \\ \rightarrow Mantle \\ \rightarrow Outer\,Core \\ \rightarrow Inner\,Core: Inner\,most...
As far as the extraction process the petroleum industry digs deep wells to reach underground oil fields where crude oil has accumulated over a large area and is trapped between layers of rocks. Then it pumps the crude oil out. Then its refineries have two main tasks, convert less valuable cr...
Why does the author provide the information that “It is much easier for an icy body to differentiate than for a rocky one”? A. To support the claim that all of the big icy moons are differentiated B. To suggest that Callisto may be a rocky body rather than an icy one C. To expla...
百度试题 结果1 题目 b1. The s of the earth is covered with layers of atmosphere.2. -Why were you late again?-Sorry. I o^{t this morning. 相关知识点: 试题来源: 解析 surface 反馈 收藏
Why does the Earth have seasons, according to astronomy? Why does the sun rise in the east and set in the west? Why are coral reefs located near the equator? Why is the Antarctic Circle important? Why did they rename the Antarctic Ocean?
Male Professor: Great analogy. And now you can see why we don't have an exact date for our sculpture “The Lady with the Hood.” 6.Why does the professor say this: A. To make the point that written records are not important.
Forests in temperate lands often have just two canopy layers, so they have much less complex architecture.Structure has a strong influence on the animal life inhabiting a site. It forms the spatial environment within which an animal feeds, moves around shelters, lives, and breeds. It even ...
Of the total amount of the sun's energy that reaches the Earth, 30% is reflected back into space by clouds and the Earth's surface. The atmosphere absorbs 19%. Only 51% is absorbed by the Earth's surface. We are not normally aware of it but air does have weight. The column of ai...
those sediment layers began to change.The coarse grains became much finer,and we see evidence of mud.This suggests that plants promoted the preservation of mud when they sent their roots into the ground.The roots helped to reinforce the ground, which in turn allowed for the creation of river...
Until about the late 1980s, most scientists believed that life was restricted to the top few meters of the soil or ocean sediments. The few reports of organisms being recovered from great depths within Earth were dismissed as contamination with material from the surface layers. Two technical deve...