The answer is - Sunspots.
Sunspots are dark in appearance, but only on a visible light, and this is due to the fact that they are much cooler than the surrounding areas, but that doesn't mean by any means that the sunspots are cool, on contrary, they are very hot too. Sunspots actually are storms that appear in the lower atmosphere of the sun.
Answer: Amazon forest
Explanation: Human activities which is majorly deforestation through logging, farming and town development has destroyed the natural habitats of animals such as birds, ant and birds in the Amazon rainforest most especially in the Brazilian aspect of the forest.
Starts: June 1st
Ends November 30th
Is mainly effected by the coast
Hope this helps
Political if you are talking about where the country meet another and its a natural boundary if it is physical like a river or mountain range
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