The depth below Earth's surface at which the boundary between Earth's
outer core and stiffer mantle is located is 3. 2900 kilometers. This is
the location where the outer core that covers our planet ends and meets
its mantle that can be found within the Earth and is stiffer than the
very center of the planet which is made of iron.
Answer: The watersheds of creeks and rivers are separated from each other by land forms of higher elevation called ridge lines or mountain divides.
Explanation: drainage divide. Definition English: Water divide a k a Drainage divide, Because water runs downhill, topography defines the boundary of a watershed ridges or high points in a landscape form the line between one watershed and another.
Hope this helps :3
Warren G. Harding
Calvin Coolidge
Herbert Hoover
I think the answer is Strasbourg. (France)
