How would Sammy's rib cage move as he runs back and forth

a client has been prescribed misoprostol for the treatment of peptic ulcer disease. what is a true contraindication for this medication

List two limitations of natural selection

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.