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they can be difficult to navigate and cross
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they may keep people apart that would otherwise interact
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they can prevent trade
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they form natural barriers between landmasses
( its all of the above apex )
Kai
Wiki User
∙ 13y agoThe reason oceans and rivers are barriers are because they can prevent trade, they might form natural barriers between places, and they can be difficult to navigate across. The reasons they are roadways is because they can be used to get from one place to another very fast, can help with trading, and can get you someplace you might otherwise not have been able to reach.
Anonymous
Anonymous
Wiki User
∙ 12y agoRivers and oceans form barriers to land transportation that may limit trade unless or until reliable shipping is available. Once this occurs, they can become some of the most valuable means of trade. Originally, they restricted the interaction between peoples without the means to cross them.
Wiki User
∙ 8y agoLandforms such as mountain ranges or rivers clearly act as barriers. One example is the Rio Grand River that acts as the boundary between Mexico and the US. The mountains of Switzerland for example have historically made that nation difficult to make war against.
Anthony Torres
All of the Above
They form natural barriers
They can prevent trade
They may keep people apart that would otherwise interact
They can be difficult to navigate and or cross
(APEX)
Onie Koch
Leonel Dunham
all of above
MacKenzie Haayer
all of the above
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What are some examples of natural barriers?
Oceans are some of the natural barriers in the planet.
Which type of isolation can involve physical barriers?
geographic isolation - involves mountains, rivers, lakes, seas, oceans, dense forests, or other obstacles that bar crossing
What is a good natural boundary between country's?
Rivers, mountain ranges, oceans, etc. Those are considered "natural boundaries".
How did barriers prevented plants animals and people from researching North America?
the oceans
What source release water vapor by evaporation?
oceans, plants, soil, animals, and streams and rivers
How are oceans and rivers barriers to human trade movement and migration?
Oceans and deep rivers form natural boundaries because they restrict human and animal migration.
How are oceans and rivers barriers to human trade human movement and migration?
Oceans and deep rivers form natural boundaries because they restrict human and animal migration.
What are natural barriers?
Natural barriers are like the use of mountains or rivers to protect a place. but if you want to know what Egypt's are, I'd suggest putting that in your question.Natural Barriers are features such as Rivers, Mountains, Oceans, Seas etc...
What are natural barriers that mark most of the US borders?
Most of the borders of the U.S. are marked by oceans; the next most frequent natural barriers are rivers.
Why are rivers and oceans both barriers and roadways?
They divide landmasses They are a natural boundary. They might be hard to get to like the Amazon They can be hard to cross or navigate
How are ocean and rivers barriers to human trade movement and migration?
Oceans and deep rivers form natural boundaries because they restrict human and animal migration.
What are some barriers that prevent plants to come to North America?
They prevented by directions and distance
Do they have any rivers and oceans in England?
England has many rivers but no oceans.
What are the trade barriers in Africa?
Mountains and oceans are the natural barriers of western africa
What are some examples of natural barriers?
Oceans are some of the natural barriers in the planet.
Which type isolation can involve physical barriers?
geographic isolation - involves mountains, rivers, lakes, seas, oceans, dense forests, or other obstacles that bar crossing
Which type of isolation can involve physical barriers?
geographic isolation - involves mountains, rivers, lakes, seas, oceans, dense forests, or other obstacles that bar crossing
