Macrocyle A was formed by a two- step process involving a hydroboration of an alkene in B followed by an intramolecular Suzuki coupling of a vinyl iodide in B to form the indicated bond below. What is the structure of B

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.