What ions determine weather a solution is acidic or not?

When considering the claim that eating well to reduce stress, what advice might you give a friend who appears to be stressed about an upcoming exam, but chooses to have chips and soda for lunch everyday?

What region is located between the shoulder blades

1. imagine that you are a prehistoric artist and write a 350 to 500 word story explaining why you are an artist and what the purpose of your art is. be clear about what time period and location you are from. you may do research about prehistoric art, but be sure to include a bibliography if you do, and credit any direct quotes you use. 2. go to an art store and purchase some clay. now using only your hands, sticks, feathers, or other natural objects, create your own statuette or primitive tool. bake it in the sun or in a fire. if you can find natural pigments, you may color your work. take a digital photo of your finished work and send it in. use complete sentences and cite all of your resources.