It's an area that is organized around a focal/nodal point where there is a central focus. The central diminishes as you move outwards from the point. Generally used to display information about economic activities.
Answer:
Deep ocean currents.
Explanation:
In cold regions, such as the North Atlantic Ocean, ocean water loses heat to the atmosphere and becomes cold and dense. When ocean water freezes, forming sea ice, salt is left behind causing surrounding seawater to become saltier and denser. Dense-cold-salty water sinks to the ocean bottom.
Answer:
All food has came from our natural environment. We depend on it because we need food to survive??!!!!! Thats the obvious answer.
Explanation:
Nothing else to say this is a easy question.
Not enough oxygen
rainforests will turn into desserts like the Sahara dessert which use to be a tropical place.
