m.a.s.l. (meters above sea level)?
Maps can show elevation with contour lines
They are called contours.
The name for the ' symbol used to show possession in English is an apostrophe.
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Contour lines are used on a map to show elevation. These lines connect points of equal elevation above or below a reference point, indicating the shape of the terrain and the steepness of slopes. The closer the lines are, the steeper the terrain.
NY
Usually this symbol: %
For the no of proton "A" is used.
No it doesn't show elevation. I was looking for it too but it doesnt seem like it to me.
There is no symbol that will show weather or not heat is needed in a decomposition reaction.
Sea level and below sea level