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When A rock layer is seen to spread horizontally and then get thinner and thinner at the edges until the rock layer disappears. This is known as the .?
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Are valcanos spread evenly around the world or are they concentrated in specific areas?
They're spread around the world... usually along the edges of tectonic plates.
Do lenses reflect or refract light?
Light refracts when it passes across the boundary of two media having different optical densities (refractive indexes). If the light stated in the question had done this, then it is refracted.
Why knives scissors and nails have a sharp edges?
Knives and scissors have edges to cut things, but nails do not have sharp edges, they have points to penetrate hard surfaces.
What are crater edges called?
Rims
How many edges has a decahedron?
The correct spelling is Dodecahedron and it has 30 edges.* * * * *The correct spelling for a shape with 12 faces is, indeed, dodecahedron. But the question is about a shape with 10 faces, for which the spelling IS correct.Unfortunately, that is as far as we can go. There are many possible configurations for a decahedron and they have different numbers of edges:For example:A nonagon based pyramid: 18 edgesAn octagonal prism : 24 edgesA pentagonal dipyramid: 15 edges.
What is a lens has a center that is thicker than its edges?
A convex lens.
Convex lenses are in the middle and at the edges?
thicker, thinner
What has a thinner middle than the edges?
concave lens
What lens has a thinner middle than the edges?
concave lens
What is a lens that is thinner in the center and thicker at the edges converging lens?
convex
What is a piece of material that is thinner in the middle and thicker around the edges?
Concave lens
Is a contact lens a diverging or a converging lens?
They can be either. They will converge if thicker in the middle than edges, and diverge if thinner in the middle than edges.
What shape does concave and convex lens make?
Concave is thinner in the center than the edges and convex lens is thicker in the center than on the edges :)
What is a concave lens?
A lens that is thinner in the middle and thicker at the edges is called a concave lens.
What is a piece of clear material that is thinner in the middle and thicker around the edges?
A convex lens typically fits this description. Convex lenses are thinner in the middle and thicker around the edges, causing light rays passing through them to converge.
Why are most volcanoes located on the edges of continents?
because the crust is thinner and the techtonic plates meet.
What is the shape of the eyeball if you are nearsighted?
Glasses for nearsighted people are convex. That is, the center of the lens is thinner than the outer edges.
