Ray Dart
Ray Dart answered Didge Doo's question

You used to be able to stand outside the main entrance to Schiphol (Amsterdam) airport to see a sign which told you that you were 9 metres below mean sea level.

When one considers the maze of waterways in that part of the Netherlands the tendency is to believe "It's only a matter of time."

But … Read more

Call me Z
Call me Z answered Didge Doo's question

Didge, I don't think it would be the first or the only place to face such a fate. Holland may trail New Orleans, LA in the race to the bottom. N'orlins (as the locals say) averages 2-7 feet below sea level and is built in a delta region that is sliding south geologically into the … Read more

HappyTo BeHereTo
HappyTo BeHereTo answered Akol Kiir's question

It's actually considered a "border" state. 

I have family from Louisville.  My great aunt always considered herself a southerner, since her grandfather fought for the Confederacy.  However, there were other Kentuckians who enlisted for the Union.  This was a "brother against brother" state.

https://en.m.wikipedia.org/wiki/Kentucky_in_the_American_Civil_War

Read more

HappyTo BeHereTo
HappyTo BeHereTo answered

E How has a very simple model using "Duplo" blocks.

http://www.ehow.com/how_6548446_make-dam-model-science-project.html

This may be too simplistic for a 14 year old.  However, it can inspire you to build one of the more complex versions, such as a buttress dam.  You can look at various dam designs here.

http://www.pbs.org/wgbh/buildingbig/dam/basics.html#butt

By adding … Read more

Ancient Hippy
Ancient Hippy answered

The red, orange, yellow, and green wavelengths of light are absorbed so that the remaining light we see is composed of the shorter wavelength blues and violets. This is the main reason why ocean color is blue. Some constituents of sea water can influence the shade of blue of the ocean.

Ancient Hippy
Ancient Hippy answered
Erosion is the action of surface processes (such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location.