For dress uniforms, medals always go on the left breast, ribbons on the right breast.
The gloves are only worn during ceremonies.
Check the Marine Uniform regulations. They will specify what ribbons you are authorized to wear from the Army. Medals awarded are normally going to be allowed, but ribbons that don't come with medals probably won't be.
Ribbons and medals are worn on the jumper or service coat on dress white. When worn together they are worn such that the ribbons are arranged row-wise, inbound to outbound based on precedence order.
Yes, but the only ribbons you can wear are the ribbons that does not have a corresponding Medal i.e Combat Action Ribbon, Seaservice Deployment Ribbon. You can wear up to 7 medals in one row but they have to be mounted a special way. Ribbons are worn on the right hand side and follow the 1/8th on an inch spacing from the pocket.
medals ribbons
21 United States Military Awards (ribbons) were worn by him. Most of these were awarded more than once. If he were wearing a ribbon bar, it would be 7 rows of 3 ribbons on each row.
you where the ribbons on the left side pocket 1/4 above the pocket
All ribbons (or medals) must be placed using what is called an "Order of Precedence". There are pictured charts available everywhere.
because medals make you even more prouder
Running medals as well as ribbons and other award type trinkets are found at any hobby store. There is also a store in most malls called Things Remembered that has a selection of trophies, ribbons and yes running medals.
both
Individual Marines, or the Corps as a whole? The Marine Corps is extremely stingy with its medals. Things that in the Army will get you an Army Commendation Medal won't get you any medals at all in the Marines. The Marines also don't have a lot of the service ribbons the Army has.