my educated guess would be: Sound: noise
these two words I believe are synonyms therefore making them have the same relationship.
The others don't have that type of relationship. For example, a relationship to Piano would be maybe keyboard. Hopefully this makes sense and helps.
Answer:
It uses humor to show that unknown factors keep damaging the probes humans send.
Explanation:
The political cartoon "Mars Probe" by Mike Keefe shows a Mars probe trying to land on the red planet while there are three aliens playing baseball. The one in the middle exclaimed <em>"Get ready! Here comes another one!"</em> to the one with the bat while the third is in the background standing ready to catch anything that hit the bat.
This political cartoon uses humor to show that unknown factors contribute to the damaged condition of the probes sent by humans to Mars.
Thus, the correct answer is the second option.
A is although B is because C is unless D is when