Because of the rapid changing water levels the plant life on the shores are drowning out so they can not grow.
Hope this help. :D
between Europe and Asia (dividing Eurasia): along the Turkish Straits, the Caucasus and the Urals (historically also north of the Caucasus, along the Kuma–Manych Depression or along the Don River) between Asia and Africa (dividing Afro-Eurasia into Africa and Eurasia): at the Isthmus of Suez.
4√22⋅3422⋅3
Pull terms out from under the radical.
4(2√3)4(23)
Multiply 22 by 44.
8√383
The result can be shown in multiple forms.
Exact Form:
8√383
Decimal Form:
13.85640646…13.85640646…
4√124122