Identify the two major pollutants that contribute to acid rain. what are the effects of acid rain on buildings, plants, and aquatic systems? how have the national appliance energy conservation act of 1987, the clean air act amendments of 1990, and the air quality accord reduce acid deposition?

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

Benjamin franklin and john adams

Explosive eruptions are the most hazardous, involving large volumes of tephra and gases emitted from the volcano. lahars, pyroclastic flows, ashfall, and many other volcanic hazards are commonly associated with explosive eruptions. explosive eruptions are very dangerous. basically, any form of hazard can occur.