If you are talking about music is rythem if you are talking about something else its beat
I think most of it is just cultural conditioning, we play major key songs when we're happy and minor key songs when we're sad (though this is changing in modern music). Another part of it could be that minor chords have their midtones clash a bit more with there tonic notes than major chords, it sounds slightly "wrong" to our ears and takes away from the happy effect.
<span>C. The light source was important to the scene</span>
I'm not extremely sure about the context of this, but I would totally draw a bunch of those fluffy worm things, or maybe a kitten- I have a cutesy mindset for this project. Try and draw a small animal perhaps!
