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The Berlin Wall
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What was the barrier called in West Germany to block the flow of refugess?
Berlin Wall
What is a layer of rock that does not allow water to flow through called?
An impermeable layer of rock that does not allow water to flow through is called an aquiclude or aquitard. These layers restrict the movement of groundwater, creating a barrier for water flow.
What is the border across which genes can flow between two populations called?
The border across which genes can flow between two populations is called a "gene flow barrier." This barrier can be physical, such as a mountain range or river, or it can be due to behavioral or ecological factors that limit gene exchange between populations.
What is The thin flexible barrier around a cell called?
The thin, flexible barrier around a cell is called the cell membrane. It regulates the flow of materials in and out of the cell and helps maintain the cell's shape and integrity.
Does the Danube river flow from southern Germany into Black Sea?
Yes (from Donaueschingen the river is called Danube).
What do barrier islands form as a result of?
Barrier islands form as the result of wave or tidal flow parallel to a coastline.
What is a barrier built to hold water or to stop its flow?
Dam
What is the natural barrier agains germs?
skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
How is the Nile River a natural barrier?
In its 4,000 mile plus length it form a barrier numerous times and ways - by its depth, by its width, by its flow etc.
What is a barrier built across a river that may redirect its flow to other channels?
It is a dam or river dam. A type of low semi-barrier is a weir.
How many refugees come by boat each year?
The number of refugees arriving by boat varies each year. Factors like conflicts, disasters, and economic conditions influence the flow of refugees, and it's important to monitor data and reports from organizations like the UNHCR to get the most accurate and up-to-date information.
What is the physical barrier in the root that regulates the flow of water to xylem via cell walls?
The Casparian strip is the physical barrier in the root that regulates the flow of water to xylem via cell walls. It is a band of impermeable suberin found in the endodermis of plant roots creating a selective barrier.
