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1.The protective outer layer of the skin of an animal. In invertebrate animals, the epidermis is made up of a single layer of cells. In vertebrates, the epidermis is made up of many layers of cells and overlies the dermis. Hair and feathers grow from the epidermis. ...
What are the three layers of the Earth's mantle? The three main layers of the Earth are: crust, mantle, and core. These three layers each have multiple layers as well. Crust: the main crust and the lithosphere (bottom of crust shared with upper mantle). ...
The crust, mantle, and core are the three main layers of the Earth. The only layer that can support life is the crust. Scientists have studied most of the Earth's crust but have yet to study the entire ocean bed floor (the thinnest part of the crust). ...
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A. The crust. B. The mantle. C. The outer core. D. The inner core. 相关知识点: 试题来源: 解析 B。解析:地球的地幔是最厚的一层,它在地球结构中所占的体积较大。A选项,地壳是最薄的;C选项,外核比地幔薄;D选项,内核也比地幔薄。
The layers of the earth include the crust which is 1% of Earth's volume, the mantle which is 84%, and the core inner and outer combine making up 15%. The crust of the earth is the solid crust on the outermost edges, it is the thinnest layer of our planet. The crust averages 25...
Layers of sediment and the natural processes all proceed at exactly the same pace throughout the history of the world enabling us to somewhat accurately measure time based on the fossil record. If those processes are not uniform then really nothing can be said as far as timing. If there was...
Or to have more fun with layers of the earth projects, check out these: Craft a gorgeous layers of the earth bowl science project. Build a LEGO layers of the earth model. Eat a delicious Rice Krispy Earth. And now on to the delicious stuff… pudding!