Consider all the sources of water listed on the three bars in the graph from the resource site *questions 2 and 3 on work file. make a list of the water sources that would not be easily used to supply human water needs.

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

i need mutiple choices

the answer is d.) potassium