No never!
Parallel lines never touch each other and remain equal distance from each other
two lines that do not touch each other
No; tangent circles touch each other at one point but concentric circles cannot not touch.
They can, so the question is irrelevant.
Yes , it is possible because you can put the tips of each pencil together almost creating a star but they all touch within the center.
8 with 3 left over
Because you touch yourself at night. And they touch each other.
A single curve cannot touch "each other" since "each other" implies two curves.
You can arrange a meet between them. They can be comfortable with each other when they meet.
yes.
the bars normally do not touch each other.
Gas particles do not touch each other in the way that solid particles do. The particles in a gas are in constant motion and are separated by large distances relative to their size. However, they can collide with each other and with the walls of their container.
3 glumps standing on each other with sticks is the boss
they are parallel lines.
you put all of them on top of each other
of course they did