THE CORRECT ANSWER IS PRIVATE BUS SYSTEM
 
        
                    
             
        
        
        
Timelines show historical events or periods because they can happen years or decades ago and that means historical.The purpose of a historical map is to describe or show important travels, rides, or routes that famous people in history took.Who is the author?
Can you find the authority or credentials of the publisher?
What if there is no author for an internet source?
        
             
        
        
        
Answer:
<h3>   The continents are the divisions of the earth space elaborated by man to better understand it. These are large landmasses that are separated by the oceans. Thus, according to the current division, there are six major continents: America, Europe, Africa, Asia, Oceania and Antarctica.
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<h3>    Oceans are portions of water that occupy the major and largest depressions of the planet's relief. It is, therefore, an immense set of water mixed with other elements, mainly mineral salts, and that surrounds the areas formed by the emerged lands, which includes islands and continents. If we consider that oceans, unlike seas, are not surrounded by continents on at least three sides, we can say that there are only three oceans: the Pacific, the Atlantic, and the Indian, since the Arctic and Antarctic Glacial Oceans would be, indeed large seas (or a set of seas)</h3>
Explanation:
<h3>The earth can be organized into 4 oceans, 7 oceans and 7 continents hope that helps</h3>