Alayered matamorphic rock of light and dark bands of minerals is: a; schist b; basalt c; gneiss d; granite

I think the correct answer is D. Granite

Granite and Basalt are actually Igneous rocks. Schist and gneiss are metamorphic, however, gneiss was made from pre-existing rocks. My answer would be Schist

"pacesetter of the south," comma inside the quotes

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen