Answer:
Weather patterns don’t tend to change with altitude
Explanation:
100% China. You're welcome ;)
Answer:
it lets you visually see where a place is exactly instead of on a piece of paper and you can see the whole world at once and keep a mental image
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
