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How are baselines used to locate points on earths surface?
The Equator
How are these baselines used to located points on earths surface?
The Equator
Are contour lines used to indicate horizontal distances or vertical distances on earths surface?
Horizontal
Is the level of the ocean's surface used as a reference point when measuring height of depth of the earths surface?
Yes it is.
What shows the relationship between distances on the map and the corresponding distance on the earths surface?
A map scale.
What are some advantages of using a globe to show earths surface?
One advantage to using a globe is that you can more accurately determine distances than you can with a flat map. Flat maps distort the spherical surface and that distortion can be significant over long distances.
What shows the relationship between distances on a map and the corresponding distances on the earths surface?
The SCALE of the map indicates the relationship between lengths measured on a map and the actual distances. It can indicate the ratio of distances (e.g. 1:10000) or the equivalent actual distance for an inch or centimeter as measured on the map, often providing a measurement bar for various distances.
What percent of the earths surface is the US?
100
How much of earths oceans cover earths surface?
70% or 80% of water covers the earths surface
Does the outer core cover earths surface?
No the crust covers earths surface
Why are map projecters needed?
to draw the earths surface.
Why are there are almost no extrusive ultra basic rocks in earths crust?
There are almost no extrusive rocks on the earths surface because they are all under the earths surface. They are mainly lower than the earths surface.
