Select the correct answer. How did rivers help develop the early civilization in the Indus valley? 1. Rivers isolated the people from outsiders.
2. Rivers provided water and soil for agriculture.
3 Rivers helped cause the monsoon.
4. Rivers provided water for cleaning and washing.

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

Answerwill have thinner; have thicker oceanic sediments;