To see Mercury with your naked eye is only possible when it is at its greatest "elongation" or basically when the angle of separation between the Sun or Mercury is at it's greatest value, however it is not always a promised success of viewing Mercury. It also depends on the phase of the plant to determine how bright it is!
This is interesting. It's a split between C and D for this, as it covers both almost equally. However, I would go with C, seeing as it all falls under the umbrella of "cultural significance", even when talking about what purpose the drum is being changed for.
Answer: Alex and Ryan didn't show up for band practice.
Explanation: