-"Sort" is obviously not specific to rock particles; this seems like a random addition to make the question "sciency".
-Rats aren't large mouses, they're a different species. That descriptor might be passable in any other context, but in a quiz that purports to be about science, it's quite the error.
- Typing "astronomy" will give the "astro", answer.
-The Swedish satellite might be way too specific, as the stats show. Similarly for Mary, but at least that one's easier to guess.
-"Sort" is obviously not specific to rock particles; this seems like a random addition to make the question "sciency".
-Rats aren't large mouses, they're a different species. That descriptor might be passable in any other context, but in a quiz that purports to be about science, it's quite the error.
- Typing "astronomy" will give the "astro", answer.
-The Swedish satellite might be way too specific, as the stats show. Similarly for Mary, but at least that one's easier to guess.