A steel ring with a how having area of 3.99cm2 is to be placed on an aluminum rod with cross sectional area of 4.0cm. both rod and ring are initially at the temperature of 35.0°C. At what common temperature can the steel ring split into the rod at the end of aluminum rod​

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast. 

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

Answer the zagros mountains, stretch across western iran and are located next to the khuzestan plain; answer( zagros mountains