They have a north and South Pole .The opposite poles attract to each other ,the same poles repel from each other.
The galaxies aren't distributed randomly throughout the universe but they are grouped in gravitationally bound clusters.
<span>The correct answer should be B) 63.55. That's because the most precise number is 63.546, but you would write 55 because 46 is rounded that way in the equation. The others are a bit higher, while E is a completely different element, Iodine. This isn't the most precise piece of data because in reality there would be a slight differentiation of +- 0,003u</span>
