A picture would help, otherwise "MN" could be anything.
parallelogram
opposites
3 rays that are not on the same line.
Perpendicular rays are two rays that intersect one another to form four right angles. Below is an image that shows two perpendicular rays.
fire and water are opposites
There are opposites of some adverbs and adjectives. The idea of "opposites" is conceptually weak and not all words have opposites.
ML magnitude stands for local magnitude. It was developed by Charles Richter, for use in california. However, it does not apply for north eastern america. Otto Nutti (I think thats how it's spelled) from america then created the MN magnitude, Magnitude Nutti, to use in eastern Canada. However, very small earthquakes sometimes defy both of these magnitude types.
Yes, parallel and perpendicular are opposites.
Collapsing Opposites was created in 2002.
The answer depends on what is meant by "their opposites". If you mean additive opposites then the set is of all non-zero integers.
Ceremony of Opposites was created in 1994-01.
+ and - are opposites for example 6 and -6 are opposites
No, sometimes they are not opposites like captain to ship.
Well not opposites but, Tweety is a bird and Sylvester is a cat.
Opposites Attract was created on 1989-11-28.
In what ways) are compassion and preju- dice opposites?