If you are referring to shower surround that will depend on what it is made out of and what you mean when you say "glue it together". Mastik or construction adhesive would probably be used to secure it to the wall. In some cases, thin set might be used. Silicone, epoxy, or grout would be used to fill the seams. What you use will depend on what it's made out of. If you read the installation instructions will probably tell what you need to use.
Yes
I would use a white mildew resistant shower curtain liner behing the Ruffles shower curtain.
Yes, you can use LePage Extreme, or PL Premium.
You use wood glue for sticking pieces of wood together.
You have to use glue of course and you need someone to hold it together while you glue it
you have to use a hot glue gun.
It is glue.
that is perfectly normal, take a shower and use a panty liner
sticking things together
It's certainly worth a try. I would use Aqua Seal or Seal All. -Both available in Walmart.
Yes, I believe so. You can use wood glue on foam.
Use a hot glue gun.