What does the term focus refer to?
a. an earthquake with a magnitude over 10.0
b. the spot inside earth where an earthquake occurred
c. the spot on earth's surface above an earthquake's origination point
d. a location on earth that suffers the most damage as a result of an earthquake

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.