a obstruction, occurring in nature, such as a mountain range or a wide river that prevents or hinders movement over it or through it

A natural barrier refers to a physical feature that protects or hinders travel through or over. Mountains, swamps, deserts and ice fields are among the clearest examples of natural barriers.

is a natuarally occuring sheild from people and weather ;ike a rainforest

The mountain form a natural barrier against cold and hot winds

Any area where lack of flammable material obstructs the spread of wildfires. 

A natural feature, such as a dense stand of trees or downfall, that will restrict animal travel.

Like a wall
Which is stopping the climate of air end stopping the cold air end hot air from different countries

A natural barrier refers to a physical feature that protects or hinders travel through or over. Mountains, swamps, deserts and ice fields are among the clearest examples of natural barriers. Rivers ar [..]