yes

The acid and vinegar in it. By the way, it's does, not do.

Yes, on rye bread with sauerkrout and mustard. Pastrami must be hot.

neither just melt the pennies then make a new one :)

Generally the summer heat will kill rye grass that is taking over. If it doesn't get hot enough in your area you can use a non persistent-contact herbicide made for weeds, not grass, and spray the rye grass. For more information on killing rye grass, visit http://www.ehow.com/how_6127641_kill-annual-rye-grass.html.