Who or what is the “duo” to which the speaker refers in line 13? "2pac poem"

In the real world, feldman learned to settle for less than 95 percent. he came to consider a company “honest” if its payment rate was above 90 percent. he considered a rate between 80 and 90 percent “annoying but tolerable.” if a company habitually paid below 80 percent, feldman might post a hectoring note, like this one: the cost of bagels has gone up dramatically since the beginning of the year. unfortunately, the number of bagels that disappear without being paid for has also gone up. don’t let that continue. i don’t imagine that you would teach your children to cheat, so why do it yourselves? the excerpt serves as which type of support for the authors’ argument? a claim an example a conclusion a counterclaim

Meaning to its abbreviation. 1. contraction gr. 2. obsolete as 3. greek pl. 4. anglo-saxon obs. 5. plural g. 6. german ff. 7. that is pron. 8. colloquialism colloq. 9. following i.e. 10. pronoun contr.

Based on his npr interview,"astrophysicist chroniclesbattle over pluto," why does dr. tyson believe that pluto is america's favorite planet?