Which of the following statements shows a clear example of logos?
 • A. Do you want your grandchildren to know all about distant solar
 systems but be unable to safely drink the water or breathe the air
 here on Earth?
 • B. Every year, our government funds NASA to the tune of $17.5
 billion, while environmental conservation efforts receive only $12
 billion.
 • c. I believe that it is
 time to shift spending from the outdated NASA program to more relevant issues, such as environmental conservation.
 • D. Former director of NASA, Scott Sherrit, admits that there are higher priorities for government spending than space exploration