Which statement describe constellations? check all that apply

All of them are man made

One reason is animal teeth are in an extraordinary structure.another reason is animal teeth are creative

A  reaction  in which  energy  is  released  to the surroundings is called an exothermic  reaction. in this type of  reaction  the enthalpy, or stored  chemical energy, is lower for the products than the reactants. when ammonium nitrate is dissolved in water,  energyis  absorbed  and the water cools.