The main natural sources of hydrocarbons are from fossil fuels and these include except one a natural gas b coke c coal petroleum

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.

Is a renewable energy source that's highly environmentally friendly.hope this is what you're looking for. have a great day! : d

The best answer is the third option, a pottery art studio.