Oregon trail would be the best answer
<em>The instrument we use to measure seismic waves is the </em><em>seismometer, or seismograph, </em><em>those are two ways to name it.</em>
<em>Glad to help ya!! :)</em>
if the product has lesser energy than the reactants it means enthalpy change value is positive.so it is endothermic reaction where the heat is absorbed.so kcl will formation will have positive enthalpy change .