I believe your answer would be places. Because a grid system makes it easier to find a location on a map. Hope this helps!
<span>Because he had ideas way ahead of his time. He had many gifts and abilities. He was an artist, inventor, scientist etc. For example, he did many sketches of machines that looked like inventions made a few centuries later:flying machine, tank, helicopter. He also drew detailed images pf some of the first autopsies to document biological anatomy.
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Brazil has the most area of tropical rainforests
The Southern Indian Ocean I think