PLEASE HELP with question in picture!! BRAINLIEST to correct answer! NO links accepted!

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

Which does the author mean by " nature had to kindle all the fires, for man by his own effort was unable to produce a spark

The adoption of allowed classical music to have much more effective dynamic ranges.