11=a
13=c
honestly just go to zoolet.org and that's the best place for help
Answer:
hydrogen gas and zinc sulphide
~Hello there! ^_^
Your question: What type of event exposes retailers to large numbers of new products in a concentrated location..?
Your answer: Trade shows are the events that expose retailers to large numbers of new products in a concentrated location.
Hope this helps! :D
You can find out what mineral it is when you bring it with you after you hike. You can bring it to a laboratory that specializes on mineral rocks for testing. They know what they should do to find out what it is. Hope this helps. Have a nice day.