Answer:When you place like poles of two magnets near each other (north to north or south to south), they will repel each other
Explanation:
Every magnet has both a north and a south pole. When you place the north pole of one magnet near the south pole of another magnet, they are attracted to one another. When you place like poles of two magnets near each other (north to north or south to south), they will repel each other.
Mechanical advantage is a quantity that measures how much a machine multiplies force or distance.
Answer:
The presence of dwarf galaxies around the Milky Way supports what picture that our galaxy was formed by a coming together or combination of smaller systems