I believe that it is Olmec.
It covers around 1,200,000 square miles.
https://www.britannica.com/place/West-Siberian-Plain
Answer:
C. <ISN and <TSW
D. <TSN and <ISW
Explanation:
When two straight lines intersect each other, the two pairs of the opposite angles formed are called vertical angles.
In the figure given, we have two straight lines, NW and IT, which crosses each other. They form two pairs of opposite angles. They are:
<ISN and <TSW;
<TSN and <ISW.
These pairs of angles formed are vertical angles.
I did for the longest. i moved last month…
A. Belgium, France, and Germany
Hope this helps! :))