The correct answer is that it "naturally favor the formation of products".
Spontaneous Reactions is best described as a response that favors the formation of merchandise on the situations under which the reaction is happening. A roaring bonfire is an instance of a spontaneous reaction, for the reason that it is considered to be exothermic (there may be a decrease in the energy of the system as strength is launched to the environment as warmness).
For there privacy you never know
A. Migration (birds migraye to warmer climates during colder months)
B. sodium and chloride because an ionic bond only form between oppositely charged particles.