Answer:
\sqrt{2}
Explanation: signed, birb.
Answer:
They commonly use:
•Maps
•Globes
•Atlases
•Aerial photographs
•Satellite photographs
•Information graphics
•A computer program called GIS
Yeah I don’t think I have a good idea but I’m still
Answer:The angular seperation is 
Explanation:
For two objects separated by a distance 's' and at a distance 'd' from the observer the angular separation ignoring the physical effects is given by

In the given question

light years
We know that in 1 light year there are 
Using the calculated values we get

Since π radians equals 180 degrees thus we have

Mexico, Brazil, and Argentina all have <u>high</u> development. So the answer would be A. High. Hope this helps!!!