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Calculate how many meters does the visible horizon dip to the far sides of vision relative to a straight line

$R$: Radius of the Earth $h$: Height of camera $C$ from the surface $t$: $\angle DAB$ $d$: Depth of the point $D$ from line $EC$ (the horizontal line at camera height) = Length$(ED)$ In $\Delta DBA$: \$...
• 111

Does melting sea ice rise the global sea level?

Actually, the total amount of water does not change; it is just in different forms... The water on land came from rain which came from ocean evaporation, thus reducing the amount of water in the ocean....
• 101
Accepted

Does melting sea ice rise the global sea level?

"Sea ices" - if referring to all kinds of ice floating in oceans - is not the same as "sea ice"; sea ice is specifically referring to seawater that has frozen and the total amount ...
• 1,606