It made it harder for the countries to achieve unity.
One example for this is the separate existence of Chile and Argentina - they are separate counties, because they are separated by the Andes.
Generally, natural borders, such as rivers and jungles made the political unity harder.
Answer:
The diameter is 16
The circumference is 50.27
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
What i know about inventions and discoveries
The list of inventions and discoveries of the Indus Valley Civilization. this. Refers to the technological and civilizational achievements of the Indus Valley Civilization, an ancient civilization which flourished in the Bronze Age around the Indus River basin in what is today mainly Pakistan and northwest portions
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The Inuit and Lakota tribes are similar because they both traveled by foot. They also both used animal skins for clothing and warmth.
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