One, if it is long enough.
Enough already with the "How many foolish things would it take to reach a planet?" questions. This answers them all.
Jupiter's magnetosphere has four poles.
lots
alot
Roald Amundsen achieved many things in both the North and South Poles, however his journey in the South Pole is more known worldwide. Many things were named after him and he did not have achievements in the South Pole - he just achieved what he aimed to do there. This goal was to become the first person to reach both poles and it was fulfilled completely.
2 trillon and 5
16
There are approximately 120 million telephone poles in the United States.
Millons each year
No. Posting advertisements on telephone poles is illegal in most jurisdictions for many good reasons.
the telephone did and did not help the environment. It did help, because less trees were being used to write letters. But it didn't help too, because of the telephone wires and poles. They got in the way of animals. The telephone did however, give more jobs to others, and helped many people contact others.
The link below claims that the distance according to GTE is 100 ft. http://aerospace.wcc.hawaii.edu/logs.html
they need so many poles because so that the tepees would have a better protection from the wind and strong storms
This depends on the location; in more isolated areas there may be as few as one telephone pole in 5 miles, but in more populated areas there could be as many as 20 in a mile.
100 trillion
two
it would definitely mess up the circulation of water and temperature. the salinity of the water is right now is based on many factors and it would be hard to be changed.
A large bird will not get a shock unless its wingspan is great enough to reach from a transmission line to the neutral. Many poles have been redesigned because many raptors have electrocuted from poles that had the lines too close together.