Select the correct answer. T
pair 1
pair
Dar 3
Daire
Which pairs of polygons are congruent?
CA
pairs 1. 2. and 3
B.
pairs 1.2.3, and 4
Cpairs 2 and 3
D.
pairs 1 and 3

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

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When two tectonic plates collide and one or both push upwards they also push up the crust,a mountain will for so that will be your answer. hoped this