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Yes it is.
A convex lens.
A convex lens
The edges of a convex lens are thicker than the middle.
Convex bulges outward (thicker in the center than the edge)Concave bulges inward (thinner in the center than the edge)Convex lenses magnify when you look through then, concave lenses make things look smaller.You can focus a distant object to a point with a convex lens (the image will be upside down).
Convex
Yes it is.
A convex lens.
A convex mirror is thicker at the center than at the edge, whereas a concave mirror is thinner in the center than at the edge.
A convex lens
Diverging boundarys.
Compared to a uniform thickness lense, concave is where the lense is thinner towards the center of the focal point of the lense than at the thicker edge; convex is much like a magnifying glass where the lense is thicker near the center focal point than at the thinner edges.
The edges of a convex lens are thicker than the middle.
Typically 3/4" to 1-1/8", but if you would like a thicker edge, they can laminate another piece at the edge to make it thicker.
The measure from the center of a circle to its edge is the radius.
Convex bulges outward (thicker in the center than the edge)Concave bulges inward (thinner in the center than the edge)Convex lenses magnify when you look through then, concave lenses make things look smaller.You can focus a distant object to a point with a convex lens (the image will be upside down).
around the edge of the pacific ocean i think that the pacific plate is diverging with the nasca plate (moving apart). Also it is sliding upwards. sorry if it doesnt help only 13 !!! xx [Which Edge?]