Answer:
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Answer:
The crust and outer part of the mantle.
Explanation:
The crust and outer part of the mantle are the two top-most layers of Earth. The lithosphere is comprised of these two. Here's a picture for an example.
18.D
19.A
20.C
21.B
theses are going to be your answers
T
his is called a region. Is that what your asking?